零摄氏度的空气
fall
v.跌倒；落下；沦陷
n.秋天；落下；瀑布；减少
fall的读音英 [fɔ:l] 美 [fɔl]
例句：
1、There's a danger of the government falling because it will lose its majority
政府将因失去其占多数的优势而有倒台的危险。
2、Croatian army troops retreated from northern Bosnia and the area fell to the Serbs
克罗地亚军队从波斯尼亚北部撤军后，该地区落入塞尔维亚人手里。
3、Another wave of troops followed the first, running past those who had fallen.
又一批士兵跟着第一批士兵从阵亡者身边跑过。
1、fall第三人称单数： falls
falls英 [fo:s] 美 [fo:s]
v.降低( fall的第三人称单数 );来临;成为;降落
例句：She falls in love and incurs the wrath of her father.
她恋爱了，这引起了父亲的愤怒。
2、fall现在分词： falling
falling英 ['fɔ:lɪŋ] 美 ['fɔ:lɪŋ]
n.下降；坠落；落下；陷落
adj.落下的，下降的
v.降低( fall的现在分词 );来临;成为;降落
例句：The profits rise was achieved against a backdrop of falling metal prices.
在金属价格下跌的背景下，利润提高了。
3、fall过去式： fell
fell英 [fel] 美 [fɛl]
vt.砍倒，打倒
n.兽皮；一季的木材采伐量
adj.残忍的；凶恶的
v.摔倒；掉下；变坏(fall的过去式)
例句：She fell in love with someone and ran off with him
她爱上了一个人，和那人私奔了。
4、fall过去分词： fallen
fallen 英 [ˈfɔ:lən] 美 [ˈfɔlən]
n.<正>阵亡者
adj.倒下的;落下的;（女子）已失身的;落在地上的
v.降低( fall的过去分词 );来临;成为;降落
例句：I couldn't tell if he had been in a fight or had just fallen down
我不知道他是和人家打架了，还是仅仅摔了一跤。
bluecode12345
名词 n. 1.落下;跌倒[C][(+from)]The fall from his horse broke his arm. 他从马上跌落摔坏了胳膊。 2.降落;降落量[C]During the afternoon, there was a sudden heavy fall of snow. 下午突然下起了大雪。 3.下降;减少[C][(+in)]We are expecting a fall in stock prices. 我们预料股市价格将要下跌。 4.落差[S][(+of)]The fall of the river here is three feet. 这里河水落差为三英尺。 5.(政府)垮台;(城市、要塞)陷落[the S]The people did not cease to resist even after the fall of the capital. 即使在首都失陷以后人民也没有停止抵抗。 6.堕落[S]The play was about the fall of an honest man. 这出戏是关于一个诚实的人堕落的故事。 7.【美】秋天[the S]I may be going back in the fall. 我可能在秋天回去。 8.瀑布[P]可以回答同义词吧
