/?tu?.we? ?m?r.?/amirrorthat can be used in theusualway from onesidebut istransparentfrom the othersideand canthereforebe used towatchpeoplewithout themknowing双向镜(从一面看是镜子,从另一面看是透明的)Darrin Klimek/Photodisc/GettyImagesSMART Vocabulary: related words and phrasesGlass
blow
blower
blowpipe
cut glass
fibreglass
frit
frost
frosted
glassware
glaze
glazed
glazier
glazing
plate glass
prism
prismatic
Pyrex
safety glass
vitrification
vitrify
See more results ?(Definition oftwo-way mirrorfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/two-way-mirror##