Cementatory
(牢固)结合的, 粘合的
🗣️ 情景例句
Sure. Can you give me fifty dollars in small bills, please, and ten dollars in change?
好的。你可以帮我把50块钱换成小钞，10块换成零钱吗？
Don't mention it.
不用谢。
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。