Bleck
黑色物质, 黑鞋油, 黑润滑膏
🗣️ 情景例句
It is OK to ask children how old they are.
问小孩多大了是可以的。
Give me a discount!
打个折吧！
I didn't realize how much this meant to you.
我不知道这个对你的意义有这么大。