Bisilicate
二硅酸盐, 偏硅酸盐
🗣️ 情景例句
Why are you leaving your present job?
你为什么要放弃目前的工作？
That's too late.
那太迟了。
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道，办这所学校要花很多的钱，我们需要很多好教师。