英和和英

ocular inspection

exploratory reconnaissance

detect with the senses

a polar expedition

polar expeditions

Enactment of inspection

the act of surveying land

a wiseacre

a know-all

a double check

the index of refraction

designed to elude detection

the usher's window

an observation balloon

port watch

port watch

Was detected

the wicket

the venereal examination of licenced prostitutes

inspections prior to operation

conduct an inspection

on-the-spot inspection

a land register

the takeout counter

a through ticket

a ticket window

a ticket office

a booking office

the angle of refraction

the refractive index