Metaphosphate
n. [化]偏磷酸盐
🗣️ 情景例句
Good-bye.
再见。
That's very nice of you, but I really can't.
谢谢你的好意，但是我实在不能再呆了。
It's much cheaper to camp than to stay in a hotel.
露营比住旅馆要便宜多了。