Monoiodide
碘化物
🗣️ 情景例句
Can I help you?
我能帮你忙吗？
A threatened blow is seldom given.
虚张声势，吓唬而已。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；