Lethal concentration (lc)
[化] 致死浓度
🧩 词语组成解析
🗣️ 情景例句
Did you find the sandwich I made for you?
你找到我为你做的三明治了吗？
What kind of quality control do you have?
你们用什么办法来控制质量呢？
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。