恰巧、碰巧、偶然意外 by chanceby accident
偶然疏忽意外遗漏 accidental omission
偶然的意外事故 occasioned fortuitously
偶然地意外 by accident
在“外行人”看来，科技发明是由发明者头脑中灵光一闪或某些戏剧般的偶然意外造成的。
Discoveries in science and technology are thought by "untaught minds" to come in blinding flashes or as the result of dramatic accidents.
这可能是由于1977年的一次意外：当时前苏联偶然泄露了一株季节性H1N1流感病毒，此后这病毒便与通常流行的H3N2流感病毒株一起扩散开来。
We have this immunity because of a biological accident: in 1977, an H1N1 flu virus was accidentally released in the Soviet Union and has circulated ever since, alongside the regular H3N2 strains.
你不是一个偶然：不必在意你出生的背景，你不是意外出现的。
You are not an accident: Regardless of the circumstances of your birth, you were not the result of an accident.
应用推荐