The content of gibberellin ( GA ) and indole - 3 - acetic acid ( IAA ) in the young - shoot - tips of litchi ( Litchi chinensis Sonn. )荔枝 ( Litchi chinensisSonn. ) 嫩梢顶端的赤霉素 ( GA ) 和吲哚乙酸 ( IAA ) 含量很高,叶片转绿、梢老熟时明显降低,以后才开始花芽...
Our radar began tracking the jets...我们的雷达开始追踪喷气式飞机的动向。He began comically ad-libbing a script...他即兴调侃起了一段剧本。Jane began to rebuild her social life which had been non-existent since her marriage...简开始重新建立自己自结婚以来便陷于沉寂的社交生活。T...
扩音器是一种使声音放大的电气装置.Amplifier is electrical device which make sounds louder.使用助听器会使声音变得越来越失真。Sound was becoming more and more distorted through the use of hearing aids.在录象技术中, 使声音和图象同步的一种安排.In recording, an arrangement that...