Operon
n. [生]操纵子
🔁 扩展释义
【化】 操纵子
🗣️ 情景例句
Keep smiling! things will calm down.
乐观一点，事情会平息下来的。
In college I majored in science.What was your major?
在学院我主修了自然科学，你主修了什么？
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。