Difference expression
[计] 差分表示式
🧩 词语组成解析
🗣️ 情景例句
I have received the secretarial training for six months.
我曾接受过6个月的秘书训练。
Why are you sitting over there?
你为什么坐在那里？
The stream wound its way across the field and then flowed right under their tent!
那小溪弯弯曲曲穿过田野，然后正好从他们的帐篷底下流过去。