Id-50
[医] 平均感染量, 半数感染量
🧩 词语组成解析
id
[['ai'di:]]
n. 遗传素质, 本能冲动\\n[计] 识别, 标识符, 项目说明
fifty
🗣️ 情景例句
with Admissions at Columbia University.
与Columbia大学的招生人员。
It's nice to see you again. Have you changed jobs?
又见到你很高兴。你换了工作了吗？
If Tom cannot keep his promise, he'll lose face.
如果汤姆不能信守诺言，他就会丢面子。