... 活化剂,活化器 activator 活性乙酸[盐],活性醋酸[盐] active acetate 活性乙盐基active acetyl ...
双语例句
1
By 1897 a synthetic derivative (acetyl salicylic acid) of the plant's active ingredient (salicin) was created. This allowed aspirin to become the most widely used medicine in the world.
1897年,这种植物中的有效成分的人工合成衍生物诞生了,于是阿司匹林变成了世界上应用最广泛的药品。
2
By 1897 a synthetic derivative (acetyl salicylic acid) of the plant's active ingredient (salicin) was created.
到了1897年,一种取自柳树的活性成分柳醇(水杨苷)的衍生合成物——乙酰水杨酸诞生了。
3
By 1897 a synthetic derivative acetyl salicylic acid of the plant's active ingredient was created.