ifif[If; if]连接词A1 如果…,假使…a. [就现在、过去、未来可能实现之事加以推测时]If you are tired, we will go straight home.如果你疲倦了,我们就直接回家If you have finished reading this book, please return it to me.如果你念完这本书,请 ...
in caseif 如果；若*In case he arrives be fore I get back，please ask him to wait．如果 我回来前他就到了，请叫他等我。*In case it rains，do not expect me． 如果天下雨，就不要指望我来了。*in case of in the event of； as for要是；在… 时（候）In case of fire，the ...
supposingsup.pos.ing[sə`pozIŋ; səˋpouziŋ]连接词如果…,假如… （if）S~ you can't come, who will do the work?.假如你不能来,谁来做这件工作?S~ （that） it were true, what would happen?.如果那是真的,将会发生什么事? ...