Thrombon
成血小板物质
🗣️ 情景例句
I'm worried about you and Mom.
我很担心你和妈妈。
I'm the oldest person in my club.
我是我的俱乐部中最老的人。
The secretary worked late into the night, preparing a long speech for the president.
秘书工作到深夜，为总统准备发言稿。