英
硬道理I do not want to see the similar occurence.
我不希望这种事再次发生。Controlpng the occurence of Mycosphaerella citrulpna is the key of success of the introduction.
控制蔓枯病的发生是引种成功的关键。
['əkʌrəns]
美['əkʌrəns]
出现occurence的用法和例句：
例句
"absolute principle, top priority"硬道理I do not want to see the similar occurence.
我不希望这种事再次发生。Controlpng the occurence of Mycosphaerella citrulpna is the key of success of the introduction.
控制蔓枯病的发生是引种成功的关键。