Thrombotonin
5-羟色胺
🗣️ 情景例句
Ah, Richard, Marilyn, I want you to meet John O'Neill.
啊 Richard Marilyn 我向你们介绍John O'Neill。
You'd better give us a rough idea of your price.
您最好给我们一个粗略的价格。
Take care. The rocks are wet.
当心点。石头很湿。