Pentanamide
[机] 戊酰氨
🗣️ 情景例句
It's a problem, isn't it?
这确实是个问题，不是吗？
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
Where are you going to spend your holidays this year,Gary?
加里，今年你们打算去哪里度假？