B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
I bet you were cute.
我打赌 ，当时很逗人喜爱。
I have no idea what they're going to say, so I'll have to play it by ear.
我一点不知道他们将会说些什么，所以我只好见机行事。
Do you have any writing paper?
您有信纸吗？