化學反應的用法和樣例：
例句
-
反應熱測量對某一化學反應過程、狀態變化過程或一溶解過程釋放也或吸收的熱量所作的測量
Measurement of the amount of heat evolved or absorbed in a chemical reaction, change of state, or formation of a solution. -
能經化學反應感光的能通過化學反應對陽光或紫外線輻射反應的
Capable of responding to sunlight or ultraviolet radiation by chemical reaction. -
現在這兩種物質（互相）接觸產生了化學反應。
The two substances are now in contact (with each other), and a chemical reaction is occurring.
