Bb
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
The grass. The trees. The fresh air.
草地， 树木， 新鲜空气。
Let's call it a day
进行某事
It often rains,sometimes quite heavily. Everything grows very quickly.
常下雨，且有时下得很大。万物生长很快。