choking on [sth]
介词on后接阻塞气道的物体。
He died from choking on a fish bone.
他因被鱼刺噎住而窒息死亡。
窒息的，气闷的，透不过气来的
先理解核心含义，再看它在真实句子里的用法。
窒息的，气闷的，透不过气来的
Causing or feeling a blockage of the airways; suffocating.
He started choking on a piece of steak at dinner.
他在晚餐时被一块牛排噎住了，开始窒息。
用法提示：此处 chocking 为动词现在分词形式，表示因异物阻塞气道而窒息的动作。
The air was thick and choking with smoke from the wildfire.
空气中弥漫着野火的浓烟，令人窒息。
用法提示：此处 choking 为形容词，修饰 air，表示空气令人窒息的特性。
Choking is a leading cause of accidental death in young children.
窒息是导致幼儿意外死亡的主要原因之一。
用法提示：此处 choking 为名词，表示窒息这一状态或事件。
介词on后接阻塞气道的物体。
He died from choking on a fish bone.
他因被鱼刺噎住而窒息死亡。
形容词修饰choking，描述窒息的程度或类型。
The child had a mild choking that resolved quickly.
孩子出现了轻微窒息，很快就缓解了。
choking作形容词，修饰名词，表示“令人窒息的”。
The firefighters wore masks to avoid choking smoke.
消防员戴上口罩以避免令人窒息的烟雾。
grammar · medium
易错句子He died from choke.
正确表达He died from choking.
choke 是动词，这里需要名词形式 choking 表示‘窒息’这一状态或原因。
grammar · medium
易错句子Choking of food is dangerous.
正确表达Choking on food is dangerous.
表示‘因……窒息’时，介词应用 on，而非 of。
choking 指因异物堵塞呼吸道导致的窒息；suffocating 指因缺氧或空气不流通导致的窒息感觉，常形容环境。
choking 指内部气道阻塞；strangling 指外部施加压力于颈部导致窒息。
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