Balf
abbr. 支气管肺泡灌洗液（Bronchoalveolar Lavage Fluid）
🗣️ 情景例句
You blew it.
你办黄了。
Set a beggar on horseback and he'll ride to the devil.
小人得意，忘乎所以。
Are you doing much sport?
你常做运动吗？