Bef
abbr. 在…以前（before）
🗣️ 情景例句
My friend is not gay; he's straight.
我的朋友不是“基佬”，他很正常。
How are you?
你好吗？
We are all very excited and are looking forward to the Olympic Games because they have never been held before in this country.
我们都非常激动，盼望着奥运会的到来，因为在这个国家里还从未举办过奥运会。