Serrates
a. 鋸齒狀的\\n[醫(yī)] 鋸齒狀的
??? 情景例句
You have the spirit of a teenager, Susan.
你有一股青少年的朝氣， Susan。
A dog will not howl if you beat him with a bone.
骨頭打狗狗不叫。
Mr. Green doesn't climb down the chimney. He waits until the children are asleep.
格林先生不從煙囪上爬下來，他等候孩子們都睡熟。