Photosystems
[医]光系统，光合系统
🗣️ 情景例句
You and I, Mrs. Stewart,
Stewart太太和我。
We must make it clear from the very beginning that competitive quotations are acceptable.
必须一开始就讲清的是，有竞争力的报价可以接受。
and whom I respect, confess at once that they have little idea where they are going when they first set pen to paper.
和尊敬的作家，都立即承认在他们动笔时，不清楚要写什么，怎么写。