Contraextension
[医] 对抗牵伸术
🗣️ 情景例句
I don't want to cut class.
我不想逃学。
Was I supposed to help you today?
今天我想帮你忙。
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：