Phosphinic acid
[化] 次膦酸; 膦酸
🧩 词语组成解析
🗣️ 情景例句
OK. Now, I have ... first ... a couple of questions here.
好， 现在，我有……第一……几个问题。
The doctor advised me to take a walk outdoors.
医生劝我要多到户外散步。
We'll order after we see the sample.
我们要看过样品才会下订单。