Balf
abbr. 支气管肺泡灌洗液（Bronchoalveolar Lavage Fluid）
🗣️ 情景例句
We have finally concluded the transaction through negotiation.
经过谈判，我们终于达成了一笔交易。
Why didn't you like doing the laundry so much?
为什么你那么不喜欢洗衣服？
A child ran into the street and knocked her off her bicycle.
一个孩子冲上马路，把她从车上撞了下来。