Bbm
abbr. 工商管理学士（Bachelor of Business Management）；先开后合（Break-Before-Make）
🗣️ 情景例句
World-class athletes are extremely fit.
具有国际水平的运动员体格非常好。
The plan worked well.
那项计划进行顺利。
What are you doing? he asked. I'm cutting this tree up, answered the woodcutter.
“你在做什么？”他问。“我在把这棵树砍断，”伐木工人回答道。