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- Why the cicadas sing? 夏蝉为什么要歌唱？
- Grasshopper and the cicadas sing la phase and, to play the first movement of the summer --- . 蝈蝈与蝉拉唱相和，奏出了夏天的第一乐章---躁热。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- In summer, cicadas sing happily. 夏天里，知了开心地唱著歌。
- Nobody knew why the attendance had dropped away in recent months. 没有人知道为什么近几个月来出席人数越来越少。
- That is why the machine parts were wearing away during use. 那就是机器零件在使用过程中磨损的原因。
- The sound of the cicada is incredibly loud. 蝉声极为响亮。
- The detective tried to dope out why the man was murdered. 侦探们试图搞清那人被害的原因。
- The cicada has no jaws and does not bite or chew. * 蝉 蝉没有鄂,既不能咬也不能嚼。
- The moment when the cicada is crying....... 我是知了，初来乍到，请多关照。
- He didn't quite understand why the deal fell through. 他不十分理解为什么这场交易失败了。
- He was awakened by the noise of the cicadas. 他被知了的噪声吵醒了。
- Do you know why the river narrows here? 你知道为什么河道在这儿会变窄吗?
- Then comes the hot summer. Leaves are dark green now, and cicadas sing loudly. Enjoying a big watermelon or icecream is the most wonderful thing. 然后是炎热的夏天，这时的色彩已经少了春天时的层次，只是浓浓的绿，和密密的树荫。最快意的是，满身大汗归来时，吃一个冰凉的西瓜。然后就盼望着秋天。
- Who knows why the plaster is scaling off so soon? 谁知道灰泥为什么这么快就剥落了?
- Only the cicadas are tweeting in the quiet village. 宁静的山村，只有蝉儿在鸣叫。
- The shrilling of the cicadas grated on my ears. 蝉声聒耳。
- That is why the motor is so widely used . 这就是电动机为什么如此广泛使用的原因。
- Why the heck do we have to sing the company song in the morning? 干嘛我们一早就得唱公司歌?
- Ask him why the train has been delayed. 问他火车为什么误点。
