The venom triggers an allergic reaction. 這些毒素引發了一種過敏反應。
"A sweet temper" is a figurative expression, but "sweet coffee" is not. "甜蜜的性情"是個比喻的說法，而"甜咖啡"則不是。
The suppressors could inhibit the elicitor induction of hypersensitive reaction in tobacco leaves slightly. 抑制子能一定程度上抑制激發子對煙草葉片過敏性反應的誘導。
Every year these allergies cause about thirty thousand cases of anaphylaxis,a severe reaction that requires immediate treatment. 每年這些過敏造成約三萬宗過敏性反應，這是一種需要立即就醫的嚴重反應。
