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- S2: It is the main idea of the article. 学生2:标题概括了文章大意。
- Run M for i steps on each input, s1,s2,...,si. 因为对每个输入只运行有限步。
- S2: The international Labor Day. 学生2：国际劳动节。
- Check[expr, failexpr, {s1::t1, s2::t2, ... 仅对指定的信息进行校验。
- S2 Alles, was er sagte, ist mir neu. 所有他所说的东西对我来说都是新的。
- S2: I am a farmer. I work on farm. 学生2：我是农民。我在农场工作。
- S2： So we bring you some good news. 众人2：“所以，我们给你带来了一个好消息！
- The Turtles had two systems: System One (S1) and System Two (S2). 海龟们有2个系统：系统1和系统2。
- For hospital tier & gender S2 & S4, missing table for checking. 分清主次、顺序排列，主病在前，次病在后，先并发，后伴发。
- S2：Yuwei, I want to be your shoulders and carry the bag for you. （慢条斯理地）雨薇，我可以成为你的双肩，为你整理书包。
- Please look at this picture. S2, S3. Can you make a similar dialog? 接着出示姚明打篮球图片，让学生模拟示范并表演。
- Then on the heart sound envelope, S1 and S2 were recognized. 然后利用数学形态学方法提取心音信号的包络;
- The session key S is divided into a sum of S1 and S2. 摘要将会话密钥S分解成S1与S2之和。
- S2: Mr. Li, will we do group work, as our textbook requires? 学生2：李老师。我们是不是要按照课本要求的那样做小组活动呢？
- Early diastolic murmurs.Early murmurs begin immediately after S2. 早期舒张性杂音早期杂音紧随S2发生。
- Leica says it has employed 100 extra R&D staff to work on the S2. 徕卡表示，已聘请100名额外的研发工作人员的S2转换。
- S2:No more than the name itself. Stock market is new in China. 学2：就是知道这个名称而已，股票在中国还是很新的东西。
- S2:Picture a shows us that we ought to save electricity. 让学生来看这些图片，加强环保节能方面的教育。
- The former consists of glutathione, glutathione reductase and glutaredoxin, while the later consists of thioredoxin and thioredoxin reductase. 谷氧还蛋白属于硫氧还蛋白超家族，广泛分布在各种生物体内。
