Hazchem
n. <英>危险化学品标签系统
🗣️ 情景例句
If you want to adopt an animal,
如果你想收养动物，
A disease known is half cured.
病情确诊断，治病好一半。
Yet their present development is wholly different,
但是，这两个地方目前的发展程度完全不一样。