Arlef
氟灭酸; 甲灭酸
🗣️ 情景例句
Mom, give me a break.
妈， 让我喘口气。
Could you give us detailed descriptions of the capabilities of your product?
请你把你们产品的性能给我们详细说明一下好吗？
Learning English is like building a house.
学英语象盖房子。