Diamino
[机] 二氨基
🗣️ 情景例句
He felt that his life was no longer worth living.
他觉得他的生命已经没有再活下去的价值了。
This is Tom. He's my classmate.
这是汤姆。我的同学。
Our standard order is 500cases at a time.
我们的标准订量是一次500箱。