Polyphosphate
多磷酸盐
🗣️ 情景例句
Rome wasn't build in a day.
伟业非一日建成。
To plan a mountain climbing expedition.
计划登山探险。
He spent a miserable day in bed thinking of all the fun he was missing.
他在床上郁郁不乐地躺了一天，想着他错过的种种欢乐。