Balf
abbr. 支气管肺泡灌洗液（Bronchoalveolar Lavage Fluid）
🗣️ 情景例句
with the biggest accounting company in the country--
全国最大的会计公司--
Like tree, like fruit.
有其因必有其果。
Take a seat please, make yourself at home.
请坐，随便一点。