Bsub
abbr. ball-and-socket upper bearing 上球窝轴承
🗣️ 情景例句
Is that you, Susan?
是你吗， Susan？
Most of them are less than 30.
他们中大多数不到30岁。
As it happens, a razor that is safe in Europe is unlikely to electrocute Americans.
碰巧在欧洲使用安全的剃须刀不大可能使美国人触电身亡，