Supergradient
超陡度
🗣️ 情景例句
I happened to over hear what he said.
我碰巧听到了他所说的话。
That's rubbish!
胡扯的！
I live in a very old town which is surrounded by beautiful woods.
我住在一个由美丽的树林环绕的古老的小镇上。