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a. 早的, 早熟的
ad. 很早, 初
【经】 稍早的; 早先

an early bird 早起的人

The early bird catches the worm .
捷足者先登。

Early early map early germ early burning early pulse early retirement Early Precambrian early injection early timing early diagnosis early breathing early early variety early effect early cancer early bark early blight early facilitation Early morel early pregnant early carcinoma early learning