🧩 词语组成解析
knock
[nɑk]
n. 短促的敲打（声）;爆震声;敲击声;敲门（或窗等）声;
vi. 猛烈敲击;与某物相撞;撞到了桌子;
vt. （心）怦怦跳;把…撞击成（某种状态）;批评;
a. 朗姆酒的, 奇妙的, 古怪的\\nn. 酒鬼, 拉米纸牌戏
🗣️ 情景例句
Are you kidding?
你在开玩笑吗？
What did the doctor say?
医生怎么说？
Now Wu Peng from Class 1 was in front! Not far behind him was Lin Tao.
现在1班的吴鹏在前边！紧追其后的是林涛。