“eight”可否写成“ate”?

“eight”可否写成“ate”? “ate”可否取代“eight”? “ate”可否取代“eight”? famous waterfall 可否写成famous fall ,为什么? df/dx可否写成df(x)/dx? 肽键 -NH-CO- 可否写成-CO-NH-? speak的名词形式,写成speaking可否? Edgar at eighteen ate eight egg a day.是啥意思 8:30pm写成eight o'clock pm sleep、eight、for、day、a、i、hours怎么写成句子 八点半能否说成thirty past eight?知道有half past eight以及eight thirty的说法,但是有人会写成thirty past eight.这样写对吗? eight： am not 可否缩写?能否写成amn't Yes,they are可否写成Yes,they're急 group of winners 有没有缩写,可否写成G.W. I hvae sth.可否写成I've sth. 急!请问下转录可否写成RNA转录啊? 脑筋急转弯lf you had ten apples and ate eight,how manywould you have?（用英语回答）