Substituent
高中 Senior Highn. 取代基, 代替物\\na. 取代基的, 代替物的
🗣️ 情景例句
I am so touched. The two of you are really something.
我太感动了。你们俩个真是了不起。
Grasp the nettle and it won't sting you.
困难像弹簧，你硬它就软。
The hovercraft travelled first over the water, then mounted the beach,
气垫船先是在水面上行驶，后又登上海岸，