spacecraft(太空船)barracks(營(yíng)房)headquarters(司令部)horsepower(馬力)
jin(斤)li(里)yuan(元)series(系列)species(種類)works(工廠)
外來(lái)詞的復(fù)數(shù)形式,例如:
拉丁語(yǔ):datum——data(數(shù)據(jù))media——media(媒介)index——indices(索引)
formula——formulae(公式)series——series(一系列)species——species(物種)
希臘語(yǔ):crisis——crises(危機(jī))analysis——analyses(分析)thesis——theses(論題、論點(diǎn))phenomenon——phenomena(現(xiàn)象)
法語(yǔ):Monsieur——Messieurs(先生)madam——mesdames(夫人、女士)
bureau——bureaux(局、司、處)
字母、數(shù)字、符號(hào)等的復(fù)數(shù)形式,例如:
字母、數(shù)字、符號(hào)等的復(fù)數(shù)形式是加's,如t's,a's。
There are two e's in the word.
His 7's looks like 1's.