idiomUK(USif and when)at thetimethat somethinghappens:当…时;到…的时候We don't own acar- we justrentone as and when we need it.我们没有车——只是在需要的时候就去租一辆。SMART Vocabulary: related words and phrasesPoints in time
anytime
as
downstream
during
hour
if
if and whenidiom
immediately
last
midstream
midway
moment
occasion
one
posterior
the last minuteidiom
time
under the wireidiom
wire
See more results ?(Definition ofas and whenfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/as-and-when##