Sb
abbr. 同时广播（=simultaneous broadcast）
abbr. 理学学士（=<拉>Scientiae Baccalaureus）
例句与用法：
As an interested party (ie sb likely to profit), I was not allowed to vote.
因为其中有我的利益，所以我不得投票。
We must appoint sb to act as secretary.
我们得指定一个人当秘书。
I thought I heard sb calling.
我好像听见有人喊叫。
【化】元素锑(stibium)的符号