Sdat
abbr. senile dementia of the Alzheimer type 阿兹海默老年性痴呆症
🗣️ 情景例句
Will you please take this upstairs, Susan?
麻烦你把这个带上去好吗， Susan？
May I ask you for a dance?
可以请你跳支舞吗？
The house was completed five months ago.
是在5个月以前竣工的。