当眼中进入异物时我们就会流泪——洋葱的气味会薰痛双眼,小昆虫飞进眼角膜也会刺激泪腺。
We produce tears in response to insults to the eyes — the sting of onion fumes, a tiny insect that flew into your cornea.
当眼中进入异物时我们就会流泪——洋葱的气味会薰痛双眼,小昆虫飞进眼角膜也会刺激泪腺。
We produce tears in response to insults to the eyes — the sting of onion fumes, a tiny insect that flew into your cornea.
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