Plastidome
质体系
🗣️ 情景例句
Hello, Mr. Stewart.
哈喽， Stewart先生。
My brother wants to learn how to swim.
我的兄弟要去学游泳。
An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。