Tetrapolarity
四极性
🗣️ 情景例句
Dear Mr. Billet.
尊敬的比利先生。
Some of our customers have recently expressed interest in your woolen carpets and inquired about their quality and prices.
目前我们的一些客户对你们的纯毛地毯颇有兴趣，并询问其质量和价格。
I'd like to take these catalogs with me.
这些目录我想带走。