only ifˈəunliif６研Ｔ短语¹²³⁹ 基本英英近义反义例句 conj. 只有当只是在…的时候 Adverb: never except when;
call me only if your cold gets worse
近义词only只有 Only if he persuades his troops, his countrymen and the Taliban that America is there for the long haul does he have a chance of turning this war around. 他只有使他的军队，他的国民以及塔利班相信，美国将坚定不移地进行这场拉锯战，才能有机会在这次战争看见转机。 ecocn