Endothelin
内皮缩血管肽
🗣️ 情景例句
We'll offer our sale agents and purchasers many kinds of services and benefits.
我们将为代理商和买主提供多种服务和利益。
May I use the telephone?
我能用一下电话吗？
I'm playing in London next Thursday.
下周四我会来伦敦演出。