<p class="ql-block">万思乐学V-learn 小西妈双语工程1901期210Eric打卡。 Days388 4a：I had a loose tooth</p><p class="ql-block">一、Listening：</p><p class="ql-block">英文：4a，Pepper pig，牛津树</p><p class="ql-block">中文：汉语（六）</p><p class="ql-block">二、晨读晚诵：《汉语六》</p><p class="ql-block">三、CVC拼读：</p><p class="ql-block">四、数学：</p><p class="ql-block">五、独立阅读：</p> <p class="ql-block">六、复述粉猪《Stars》(总第102集)</p> <p class="ql-block">Questions</p> <p class="ql-block">复述粉猪《Daddy pig's birthday》(总第103集)</p> <p class="ql-block">复述粉猪《Sleepover》(总第104集)</p> <p class="ql-block">Questions</p> <p class="ql-block">七、What are cavities and what causes it?</p><p class="ql-block">Cavities are permanently [ˈpɜːrmənəntli]永久地 dented['dentid]有凹痕的 areas in the hard surface of a teeth.蛀牙是牙齿坚硬表面上的永久性凹陷区域。</p><p class="ql-block">That build up into tiny holes.</p><p class="ql-block">逐渐形成了一个个小洞。</p><p class="ql-block">They are mainly frequent in children, teenagers and older adults.But anyone who has teeth can get cavities ['kævəti] including infants.</p> <p class="ql-block">So what causes these holes or degradation [ˌdeɡrəˈdeɪʃn]?</p><p class="ql-block">那么是什么导致了这些孔洞或退化呢？</p><p class="ql-block">Well, it is caused by a particular bacterium [bæk'tɪrɪəm] that resides in a mouth without paying any rent.</p><p class="ql-block">那是由一种特定的细菌引起的,它们可以轻而易举地进入我们的嘴里。</p><p class="ql-block">Let’s call these unwanted guests Germies ['dʒɝmi].</p><p class="ql-block">让我们称这些不速之客为细菌吧。</p><p class="ql-block">These germies begin to expand their family.</p><p class="ql-block">这些细菌不断繁殖。</p> <p class="ql-block">Our eating habits play a vital [ˈvaɪtl] role in this process. </p><p class="ql-block">我们的饮食习惯在这一过程中起着至关重要的作用。</p><p class="ql-block">The leading causes of tooth decay [dɪˈkeɪ] are sugary [ˈʃʊɡəri] sticky foods and drinks.</p><p class="ql-block">蛀牙产生的主要原因是食用含糖的、黏牙的食物和饮料。</p><p class="ql-block">Tooth decay occurs when foods containing sugar gets trapped between your teeth. 当含糖的食物留在牙齿之间时，就会发生蛀牙。</p><p class="ql-block">And if not wholly cleaned, these germies consume the trapped food specifically [spəˈsɪfɪkli] sugar, and use it as the energy source.</p><p class="ql-block">如果没有进行彻底的清洁，这些细菌会吸收这些残留的食物，特别是糖,用作它们生存的能量来源。</p><p class="ql-block">Generating an acidic [əˈsɪdɪk] by-product such as lactic ['læktɪk] acid[ˈæsɪd]. </p><p class="ql-block">同时产生酸性的副产品，如乳酸。</p><p class="ql-block">This acid digs a corridor<span style="font-size:18px;"> [ˈkɔːrɪdɔːr] </span>for germies.</p><p class="ql-block">这种酸性物质为细菌开辟了一条走廊。</p><p class="ql-block">Into the tooth secondary layer called dentin ['dɛntɪn].</p><p class="ql-block">去到牙齿的第二层-牙本质-的道路。</p><p class="ql-block">Once the passage expands [ɪkˈspænd] beyond dentin ['dɛntɪn] and nerves [nə:vs] become exposed.</p><p class="ql-block">一旦这一通道跨越牙本质，神经就会暴露出来。</p><p class="ql-block">The bacteria’s [bækˈtɪriə] invasion [ɪnˈveɪʒn] begins causing unbearable [ʌnˈberəbl] pain.</p><p class="ql-block">细菌的入侵开始引起难以忍受的疼痛。</p> <p class="ql-block">But don’t worry my friends. There are ways to save up teeth and fight these notorious [noʊˈtɔːriəs] germies.</p><p class="ql-block">有很多方法可以保护牙齿，来对抗这些臭名昭著的细菌。</p><p class="ql-block">Number one, brush regularly with fluoridated ['flʊərɪ,detid] toothpaste. </p><p class="ql-block">第一，经常用含氟牙膏刷牙。</p><p class="ql-block">And add fluoride [ˈflɔːraɪd,ˈflʊraɪd] in your water.在水中加入氟化物。</p><p class="ql-block">Number two, floss [flɑːs] daily. 第二，每天用牙线</p><p class="ql-block">This habit helps promote healthy teeth as well as healthy gums.</p><p class="ql-block">这个习惯有助于促进牙齿，牙龈健康。</p><p class="ql-block">Number three, and the most most difficult one to follow.</p><p class="ql-block">第三，也是最最难去遵循的一点。</p><p class="ql-block">Minimize [ˈmɪnɪmaɪz] sugary foods and drinks that feed the bacteria in your mouth.</p><p class="ql-block">少吃含糖的食物和饮料，因为它们会滋生口腔中的细菌。</p> <p class="ql-block">八、How to brush teeth 如何刷牙</p> <p class="ql-block">九、Use the dental floss牙线</p><p class="ql-block">Tie the floss to your tall men./ Wrap the ends of the floss around the tall men.</p><p class="ql-block">Use your forefinger and thumb to hold it.</p><p class="ql-block">Put it in the mesial/distal surface of the premolar./ Slide the dental floss between your teeth.</p><p class="ql-block">Curve the floss into a c-shape around your teeth.</p><p class="ql-block">Make 8-10 strokes with the floss on each side of the tooth.</p>