Bbbs
abbr. 血脑屏障；日本商务改善协会（Better Business Bureau）
🗣️ 情景例句
Open it, please.
请打开看看。
I must be the first.
我一定要得第一。
Last year, we were travelling across the Channel and Jane put a piece of paper with her name and address on it into a bottle.
去年，当我们横渡英吉利海峡时，简把写有她姓名和住址的一张纸条装进了一只瓶子，