刺激物的用法和樣例：
例句
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助手們仔細觀(guān)察細菌對這種刺激物會(huì )產(chǎn)生什么反應。
The assistants observed carefully how the bacteria would react to this stimulus. -
恐懼癥對某一特定事物或情況持續的、不正常的或不合情理的恐懼，以致于要避開(kāi)這些引起恐懼的刺激物
A persistent, abnormal, or irrational fear of a specific thing or situation that compels one to avoid the feared stimulus.
