B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
No, but I've read enough about it.
不曾，不过我常常读到有关它的报导。
I'm being kept very busy with my required reading for Sosh this quarter.
本学期有许多必须为上社会学而读的东西，我太忙了。
Occasionally, unusual creatures are washed to the shore, but they are rarely caught out at sea.
一些异常的生物偶尔会被冲到岸上来，但它们在海上却极少能被捕到。