Phosphinyl
氧膦基
🗣️ 情景例句
While the Chinese rely on chopsticks, westerners prefer to use a knife and fork to eat with.
用餐时，中国人喜欢用筷子，而西方人喜欢用刀叉。
That's what I guessed.
跟我猜的一样。
That's right. I'm travelling round the country.
对。我在周游全国各地。