Petroleum products
[经] 石油产品
🧩 词语组成解析
n. 产品；商品（product的复数）
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
The Chinese commonly work hard.
一般中国人很勤劳。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。