释义 |
if and only if短语²²¹⁴² 基本Thesaurus 当且仅当 as in.providing/provided 同义词 contingent upon,given,if,in case,in the case that,in the event,on condition,on the assumption,on these terms,subject to,supposing,with the proviso providing/providedconjunction as long as; with the understanding contingent upon,given,if,in case,in the case that,in the event,on condition,on the assumption,on these terms,subject to,supposing,with the proviso |