two-way mirror
noun[C]
uk/ˌtuː.weɪ ˈmɪr.ər/us/ˌtuː.weɪ ˈmɪr.ɚ/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/GettyImages
Glass
- blow
- blower
- blowpipe
- cut glass
- fibreglass
- frit
- frost
- frosted
- glassware
- glaze
- glazed
- glazier
- glazing
- plate glass
- prism
- prismatic
- Pyrex
- safety glass
- vitrification
- vitrify