Fds
[医][=fibronectin-depleted serum]纤维连结蛋白缺乏血清
🗣️ 情景例句
Please do the work at your own convenience.
请在方便时把这事做一做。
I get to my office at 10:30.
十点半到办公室。
One of the boys is English. His name is Jim.
有一个男孩是英国人，他的名字叫吉姆。