Ethylurethan
[医] 乙基乌拉坦
🗣️ 情景例句
Saving them for today?
留着等今天？
There was much news in the morning paper today.
今天的晨报上有许多新闻。
Old tunes are sweetest and old friends are surest.
老调最甜美，老友最可靠。