Pitfield's fluid
[医] 皮特菲耳德氏液(白细胞计数用)
🧩 词语组成解析
🗣️ 情景例句
Hi, Susan.
嗨 Susan。
A fool never learns.
傻瓜永远学不会。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。