Jb
abbr. 分线盒（Junction Box）
🗣️ 情景例句
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
Many hands make light work.
众擎易举。
My French isn't very good but it is enough to get by.
我的法语不是太好，但应付一下也够了。