n. the season when the leaves fall from the trees
n. the lapse of mankind into sinfulness because of the sin of Adam and Eve
n. a lapse into sin; a loss of innocence or of chastity
n. a sudden decline in strength or number or importance
n. 落下, 瀑布, 采伐量, 下降, 落差, 降低, 堕落, 秋天
vi. 倒下, 落下, 来临, 失守, 阵亡, 下跌, 减弱, 倾斜, 垮台, 轮到, 变成, 降低
a. 秋天的
1. The leaves fall from the trees in autumn.
秋天，树叶从树上掉落。
2. Be careful not to fall while walking on the ice.
小心在冰上走的时候不要摔倒。
3. I love to watch the sunset as the sun begins to fall.
我喜欢看日落，当太阳开始落下时。