Bbbs
abbr. 血脑屏障；日本商务改善协会（Better Business Bureau）
🗣️ 情景例句
Hi, Alexandra. Welcome.
嗨 Alexandra。欢迎。
Maybe mine is the bigger.
我的或许更大些。
They describe how each process goes on to the next.
表述着每道工艺间的衔接情况。