Ehrlich's postulate
[医] 欧利希氏侧链学说
🧩 词语组成解析
🗣️ 情景例句
if that's what you mean.
是这个意思吧。
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
How many spiders are engaged in this work no our behalf?
有多少蜘蛛在为我们效力呢？