B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
Her enthusiasm died away.
她的热情逐渐消失了。
He insisted that he was innocent.
他坚称自己是无辜的。
This is Nicola Grey,and this is Claire Taylor.
这位是尼克拉。格雷，这位是克莱尔。泰勒。