Phosphinous acid
[化] 三价膦酸
🧩 词语组成解析
🗣️ 情景例句
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
Speech is silver,silence is gold.
言语是银，沉默是金。
Did he telephone again last night?
他昨夜里又打电话了吗？