v. 落下;跌倒;減少;淪陷;
n. 落下;瀑布;秋天;減少;
?? 所有的(all)的樹葉落下(fall)來,秋天(fall)到了 網友:wangqidong 補充:(f)風把(all)所有的樹葉吹下來,秋天(fall)到了
"Several factors have been adduced to explain the fall in the birth rate."
有幾個因素已被援引來說明出生率降低的原因。
近義:plonk, slump, decline, decrease, descend, diminish
反義:arise, ascend, peak, stand, tower, uprise