B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
She's so cute.
它真逗人喜欢。
Want of care does us more damage than want of knowledge.
粗心比无知更为有害。
If we spend all the money we'll try and win the football pools again.
如果我们花光了所有钱，我们设法在足球赛赌注上再赢一次。