Wittmann
[地名] [美国] 威特曼
🗣️ 情景例句
if, and I repeat,
只要， 我重复一遍，
Say not all that you know, believe not all that you hear.
莫道全所知，莫信全所闻。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。