🧩 词语组成解析
whistle
['wɪsl]
vi. 吹口哨，吹哨子，鸣汽笛;呼啸;（动物）发出刺耳的叫声;吹口哨召唤;
vt. 由吹口哨而发出;吹口哨召唤;用哨声使…行动;
n. 口哨，哨子;汽笛;哨声，笛声;啭鸣声：尖厉高音;
🗣️ 情景例句
He is making good progress after his operation.
他动过手术后病情大为好转。
Where were you during the month of April last year?
去年四月份你在哪里？
Have you hurt yourself?
你摔伤了没有？