🧩 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
But now ...
但是现在……
He must needs go whom the devil drives.
势在必行。
The question was, which one?
问题是，哪一种气体导致火灾呢？