Oxamide
草酰胺, 乙二酰二胺
🗣️ 情景例句
Did it work?
这行得通吗？
She is easily excited.
她容易激动。
There were hardly any trees on the island and there was no water, but this did not prove to be a problem.
岛上几乎没有一颗树，也没有淡水，但这不算什么问题。