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- The second leaf takes place at the basal part of the first leaf and originates from the shoot apex cells when the first leaf pierces the calyptra. 第一叶突出帽状体之后，由第一叶基部保留下来的茎干顶端细胞产生第二叶。
- Here's a second leaf, same exposure and settings on the camera, only a thicker leaf from a different kind of plant. 这里的第二页,在同一场合曝光照相机只有从叶片较厚另类植物。
- The first leaves of muskmelons (cv.Yindi) were treated with BTH and challenge inoculation with powdery mildew, POD and CHT activities and lignin accumulation of second leaves were determined. 摘要通过BTH、BTH+挑战接种白粉菌分别处理银帝甜瓜幼苗第一片真叶，测定未处理的第三片真叶的POD、CHT活性及木质素积累。
- 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。
- The team recovered its lead in the second half. 该队在下半场重新领先。
