Fluorodinitrobenzene
氟二硝基苯
🗣️ 情景例句
Thanks, Grandpa.
谢谢你 ，爷爷。
Mr. Stone Jones of the United Nations.
来自联合国的世通.琼斯先生。
but custom, we have a way of thinking, is behaviour at its most commonplace.
至于风俗呢，只是些司空见惯的行为而已。