Welf
n. 韦尔夫（姓氏）
🗣️ 情景例句
I ran into Stone at the supermarket this morning.
早上我在超级市场碰见世通了。
Where have you been?
你去哪儿了？
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。