Hsam
层次顺序存取方法
🗣️ 情景例句
Her latest work is a masterpiece.
她是了新的作品是一件杰作。
Take your baggage to the baggage section.
把你的行李拿到行李房去。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，