Polydiesel
多种燃料柴油机
🗣️ 情景例句
He was ill at ease at her birthday party.
他在她的生日宴聚会中心神不宁。
This product is doing very well in foreign countries.
这种产品在国外很畅销。
What are the selling points of your product?
你们的销售重点是什么呢？