field glasses

音標發(fā)音

The field glasses adjust with a screw.
雙筒望遠鏡是用一個鏇鈕調節(jié)焦距的。
Can you train your field glasses on the distant church tower?
你能把望遠鏡對曏遠方的教堂嗎?
Large sunspots can comfortably be seen through field glasses.
大的太陽黑子用雙筒望遠鏡就能看得很清楚。
Even a careless momentary look through the eyepiece of field glasses or the telescope can do great harm to the eyes.
通過望遠鏡或雙筒望遠鏡的目鏡，即使對太陽衹是漫不經(jīng)心的一瞥，也會對眼睛造成嚴重的傷害。
An optical device, such as a pair of field glasses or opera glasses, designed for simultaneous use by both eyes and consisting of two small telescopes joined with a single focusing device. Often used in the plural.
雙目鏡由兩個小望遠鏡和一個調焦設備組成的光學設備，如一副雙筒望遠鏡或觀劇用的小望遠鏡，設計爲同時用雙眼觀看。常用複數(shù)形式