在特殊的酸催化中, 不离解的酸不起作用.In specific acid catalysis, the undissociated acids do not contribute.所有的原子和分子系统都受光致电离和光致离解的影响.All the atomic and molecular systems are subject to photoionization and photodissociation.后者是由二氧杂环戊烷中活化较弱...
Although the coral looks hard, it is very delicate.珊瑚虽然看上去坚固，实际上非常易碎。Their marriage is a delicate balance between traditional and contemporary values.他们的婚姻在传统和现代价值观之间保持着微妙平衡。Its large leaves often show a delicate purple ...
他是个苛刻的批评家，但却是个非常善良的人。He was a stern critic but an extremely kindly man.囚犯们很快就适应了苛刻的条件.The prisoners quickly became inured to the harsh conditions.他给自己制定了极为苛刻的标准，满腔热忱地献身于芭蕾事业。He set himself ferociously tough standards; an...