Scl
abbr. 皮肤传导水平；证券特征线（security characteristic line）
🗣️ 情景例句
I have been learning English for three years now.
我学英语有3年了。
The moon is not seen where the sun shines.
小巫见大巫。
Inviting the fire brigade to put out a nonexistent fire is a crude form of deception which no self-respecting student would ever indulge in.
请消防队来扑灭一场根本没有的大火是一种低级骗局，有自尊心的大学生决不会去做。