Monocomponent
[化] 单组分
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
I know the boy whose father is a mailman.
我知道那个男孩的父亲是邮差。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。