Stannometry
亚钖滴定
🗣️ 情景例句
I'm afraid I didn't get on very well in the exam.
我这次考试恐怕不太顺利。
Out main aim is to please the customers.
我们的目的是让顾客满意。
It will be open to children with disabilities.
这所学校要对残疾儿童开放。