Substituent
高中 Senior Highn. 取代基, 代替物\\na. 取代基的, 代替物的
🗣️ 情景例句
After the marathon, most of the competitors looked all in.
跑完马拉松，大多数参加比赛的人显得疲劳不堪。
Sound love is not soon forgotten.
爱深难忘。
I went further back into the cave and stopped still.
我向前走拐进岩洞，停住不动。