Trialkyl
三烃基, 三烷基
🗣️ 情景例句
where we had our meals ...
我们用餐的地方……
He always called me as my friend.
他总是以“我的朋友”称呼我。
These satellites go round the earth and help us to learn more about the earth, the weather and other things.
这些卫星绕着地球转，帮助我们更好地了解地球、天气和其他情况。