Halichondrida
软海绵目
🗣️ 情景例句
When you're ready to get off, remember to press the button near your seat.
当你要下车时，记得按你座位旁的按钮。
This is a typewiter.
这是一台打字机。
I have to catch a plane. Could you hurry?
我在赶飞机， 你能快点吗？