Kentanium
硬质合金
🗣️ 情景例句
She is making steady progress in her learning.
她在学习中不断进步。
What's the height of the building?
这座楼有多高？
I grew a beard during the trip.but I shaved it off when I came home.
我在旅行时留了胡子，但我回到家时就把它刮了。