Grammar Note
既可用作不及物动词（吹喇叭），也可用作及物动词（吹奏出）
发嘟嘟声；鸣响（喇叭/哨子）
先理解核心含义，再看它在真实句子里的用法。
发嘟嘟声；鸣响（喇叭/哨子）
to make or cause to make a short sound with a horn or whistle
The train tooted its horn as it entered the station.
火车进站时鸣响了喇叭。
可作及物或不及物：作不及物指发出声音，作及物指使（喇叭、哨子）发声。
突出,显眼
To stand out, or be prominent.
窥视；仔细看
To peep; to look narrowly.
看到；侦察
To see; to spy.
发出喇叭或哨子的声音
To produce the noise of a horn or whistle.
toot
Base
原形
toots
3rd person
第三人称单数
tooting
-ing
现在分词
tooted
Past
过去式
tooted
Past participle
过去分词
He toots his horn every morning.
他每天早上按喇叭。
She tooted the car horn twice.
她按了两次汽车喇叭。
The driver is tooting impatiently.
司机正不耐烦地按喇叭。
规则动词，过去式加-ed。
The driver tooted the horn impatiently at the slow truck ahead.
司机不耐烦地对前面慢吞吞的卡车按响了喇叭。
At the party, the little plastic horn tooted every time someone blew into it.
聚会上，那只小塑料喇叭每次有人吹它，就会发出嘟嘟声。
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既可用作不及物动词（吹喇叭），也可用作及物动词（吹奏出）
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.