<p class="ql-block"><b style="color: rgb(237, 35, 8);">一. 不同种类的龟</b></p><p class="ql-block">巴西龟 Yellow-bellied Turtle</p><p class="ql-block">草龟 Chinese Pond Turtle</p><p class="ql-block">花龟 Chinese Striped-neck Turtle</p><p class="ql-block">宝宝龟 Hatchling</p> <p class="ql-block"><b style="color: rgb(237, 35, 8);">Life cycle of turtles 海龟的生命循环</b></p><p class="ql-block">Mother turtles lay eggs, they hatch to become babies (or hatchlings), then they become juveniles[ˈdʒuvənəlz]未成年, and after that they become adults. </p> <p class="ql-block"><b style="color: rgb(237, 35, 8);">二. 准备孵化工具</b></p><p class="ql-block">孵化盒Box/ Incubator</p><p class="ql-block">蛭石 Vermiculite</p><p class="ql-block">温度计 Thermometer</p><p class="ql-block">龟粮 Turtle Food</p><p class="ql-block">五彩石 Colorful Rocks</p><p class="ql-block">说明手册 Instruction</p><p class="ql-block">镊子 Tweezers</p><p class="ql-block">喷壶 Spray Bottle</p> <p class="ql-block"><b style="color: rgb(237, 35, 8);">三. 准备孵化</b></p><p class="ql-block">Can you guess what is in this box？</p><p class="ql-block"> There are turtle eggs inside the box.</p><p class="ql-block"> These are fertilized eggs（受精卵）.</p><p class="ql-block"> Are you ready to witness the magic moment of these baby turtles being born？</p><p class="ql-block"> Before we start，let's take a look at the instruction说明书and everything we've got！</p><p class="ql-block">The box is where we will incubate（孵化） the turtle eggs.</p><p class="ql-block">Let's check if our eggs are good. </p><p class="ql-block">They look perfect. Let's put the eggs back in the box and cover two-third（三分之二) of the egg with vermiculite蛭石. </p><p class="ql-block">The box is filled with vermiculite.</p><p class="ql-block"> We must keep the eggs warm.</p><p class="ql-block"> The eggs will hatch between 20 to 30 degree, and the thermometer（温度计） tells us the temperature.</p><p class="ql-block"> Where should we put our eggs？ We should not put them under direct sunlight. The strong sunlight could crack the eggs.</p><p class="ql-block"> We have to spray the eggs twice or three times a day to keep them moist. Don't spray too much though！</p><p class="ql-block"> Remember always to close the lid.</p> <p class="ql-block"><b style="color: rgb(237, 35, 8);">四、观察龟蛋</b></p><p class="ql-block">We can find out if the eggs are hatching soon by observing the shells.</p><p class="ql-block">Look！ We can see faint red through the shell, which means the eggs will hatch in 12 days！</p><p class="ql-block">用强光照射龟蛋两头，可隐约看到血丝，这时距离乌龟出壳还有12天</p><p class="ql-block">Look！ Both ends appear dark， which means the egg will hatch in 10 days！</p><p class="ql-block">龟蛋两头出现黑色，距离出壳还有10天</p><p class="ql-block"> We can see faint cracks on the shell, which means the egg will hatch in a week！</p><p class="ql-block">当龟壳出现裂纹，距离出壳还有7天</p> <p class="ql-block"><b style="color: rgb(237, 35, 8);">五. 见证龟宝宝诞生</b></p><p class="ql-block">Come look！ The baby turtle is hatching！ It is so cute！</p><p class="ql-block"> A baby turtle is called a hatchling！</p><p class="ql-block">Can you identify the species of this turtle？</p><p class="ql-block"> Is it a Yellow-bellied Turtle（ 巴西龟） Chinese Pond Turtle（草龟） or a Chinese Striped-neck Turtle？</p><p class="ql-block"> It usually takes 2-3 days for the baby turtle to be completely hatched.</p><p class="ql-block">During this time，it's absorbing（吸收） the last of the egg yolk（蛋黄）sack attached to its belly.</p><p class="ql-block">这段时间，它在吸收自己肚脐卵黄的营养</p><p class="ql-block"> We mustn't touch it until they've fully absorbed the yolk sack.</p><p class="ql-block">我们千万不要碰它直到卵黄完全吸收</p><p class="ql-block"> We should bake the water under the sun for a few days before adding it to the vivarium. </p><p class="ql-block">给乌龟的水需要晒过几天</p><p class="ql-block"> We can feed the turtles after 2-3 days.</p> <p class="ql-block"><b style="color: rgb(237, 35, 8);">六、乌龟科普笔记</b></p><p class="ql-block"> Did you know？</p><p class="ql-block"> Turtles carry their home on their back！</p><p class="ql-block"> <i style="color: rgb(237, 35, 8);">Can you think of any other animals that carry their home on their back？</i></p><p class="ql-block"> Snail. Hermit crab.</p><p class="ql-block"> <i style="color: rgb(237, 35, 8);">Why do you think they have a hard shell？ What is it for？</i></p><p class="ql-block"> Their hard shells protect them from predators （捕猎者）. When other animals try to eat them, they hide in their shells.</p><p class="ql-block"> <i style="color: rgb(237, 35, 8);">For many turtles, the sex of the hatchlings is determined by temperature not genetics（基因）.</i></p><p class="ql-block"> High temperatures（35） will yield mostly females. Eggs incubated slowly in temperatures around 20 degrees will yield mostly males， An incubation temperature of about 30 degrees will yield an equal number of males and females.</p> <p class="ql-block"><b style="color: rgb(237, 35, 8);">七. 看科普动画片</b></p>