Polyphosphate
多磷酸盐
🗣️ 情景例句
Of course, it was a small house,
当然， 那是一栋小房子，
We need skilled electricians.
我们需要有技术的电工。
Grandma is ill, she said. I must take her to hospital.
“奶奶病了，”她说，“我必须送她去医院。