您要查找的是不是：
- second motion engine 第二运动发动机
- the first perpetual motion engine 第一类永动机
- Downfall of the dream of the first perpetual motion engine 第一类永动机幻梦的破灭
- Ok, all of us second the motion. 好，全体通过此项议案
- He singled and went to second on a passed ball. 他击出一垒打，再因对方漏接而跑上二垒。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- It travels thousands of miles per second. 它一秒钟能走几千英里。
- The second snub settled his hash. 第二次碰壁使他不敢再找麻烦了。
- The second term commences in March. 第二学期自三月开始。
- He kicked the car down from third to second. 他把汽车排档从3档降为2档。
- Her second novel was taken apart by the critics. 她的第二部小说受到评论家的严厉批评。
- My father grows roses that are second to none. 我父亲种的玫瑰是最好的。
- The game didn't heat up until the second half. 游戏玩到后半场才热闹起来。
- The second batch of sugar is better than the first. 第二批制成的糖比第一批好。
- The second part is the high spot of this book. 第二部分是这本书的最精彩部分。
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- He gave me a second shot of penicillin. 他又给我打了一针青霉素。
- Most of our knowledge is at second hand. 我们的大部分知识是间接的。
- I only heard the news at second hand. 我只是间接听到这个消息的。
- The train will leave in a second. 列车马上要开了。
