Bb
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
Perhaps we could see the house this weekend.
也许这周末我们会去看看这栋房子。
Grain by grain and hen fills her belly.
一粒一粒啄米，母鸡填饱肚皮。
but I could not conceal the fact that I was impressed by the size of the diamonds.
其钻石之大给我留下了深刻的印象。