2VERB 反抗;不服;反對 If you react against someone's way of behaving, you deliberately behave in a different way because you do not like the way they behave. 反抗;不服;反對
She reacted against the mindlessness and luxury of their lives. [Vagainst n]
她對他們生活的盲目和奢侈很反對。
My father never saved and perhaps I reacted against that. [VERB + against]
我父親從來不存錢,我可能正好相反。
SYN rebel against, oppose, revolt against, rise up against
3VERB 産生不良反應;過敏 If you react to a substance such as a drug, or to something you have touched, you are affected unpleasantly or made ill by it. 産生不良反應;過敏 [Also VERB]
Someone allergic to milk is likely to react to cheese. [VERB + to]
對牛奶過敏的人可能對奶酪也有不良反應。
He reacted very badly to the radiation therapy. [VERBto noun]
4V-RECIP 起(化學)變化;發生(化學)反應 When one chemical substance reacts with another, or when two chemical substances react, they combine chemically to form another substance. 起(化學)變化;發生(化學)反應
Calcium reacts with water. [VERB + with]
鈣和水會發生化學反應
Under normal circumstances, these two gases react readily to produce carbon dioxide and water. [VERB]