whistle

"Whistle"来源于古英语的 "hwistlian"，意思是吹哨。

["n. 口哨；汽笛；呼啸声；一套衣服；一手同花色牌\n v. 吹口哨；发啸叫声；吹哨示意；鸣汽笛；呼啸而行\n \n [\n 复数\n whistles\n 第三人称单数\n whistles\n 现在分词\n whistling\n 过去式\n whistled\n 过去分词\n whistled\n ]"]

The referee blew his whistle.

裁判吹响了哨子。

The whistle went for no side.

一声哨响比赛结束。

The kettle began to whistle.

烧水壶呜呜地响了起来。

可以联想到口哨的声音（whistle sound）来记忆这个单词。

看视频学发音

Let's see if they might actually understand what that means.(Whistle)That's the rope whistle.

Written out, it looks like this.(Whistle)That's like nothing.

so your chance for success is literally one in a million.(Whistle)(Laughter)

with certain behaviors.Now, the signature whistle is a whistlethat's specific to an individual dolphin, and it's like a name. (Dolphin whistling noises)

So Diver A and Diver B both have a wearable computerand the dolphin hears the whistle as a whistle,the diver hears the whistle as a whistle in the water,

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