Combi
n. [英口]结合；联合（等于combination）
🗣️ 情景例句
It's a bargain.
真是大廉售。
What's the typical farm product in this region?
这个地区典型的农产品是什么？
Though a number of descents have been made, much of it still remains to be explored.
人们多次进入洞内探险，但至今尚有不少东西有待勘探。