Preexisted
v. 先前存在( preexist的过去式和过去分词 )
🗣️ 情景例句
I want to keep the after-school programs--
我要保存这些课外活动--
Would you tell Mr. Green that I called?
你能告诉格林先生我给他打了个电话吗？
if there is any effect of noise upon mental health it must be so small that present methods of psychiatric diagnosis cannot find it.
如果噪音对精神健康有影响的话，那也一定是微乎其微，以致现代的精神病诊断方法还发现不了。