Phosphinate
亚膦酸盐, 亚膦酸酯
🗣️ 情景例句
The rules ought to be observed.
这些规则就予以遵守。
Plants of learning must be watered with the rain of tears.
知识的幼苗要用泪雨来浇灌。
I'm going to get it back.
我打算去把它取回来。