常見例句雙語例句Removing the extension tube shortens the spacing to allow any binocular viewer to reach focus without a Barlow lens.除去延長琯縮短 間隔讓任何的用兩眼的觀衆(zhòng)到達(dá)沒有一個(gè)巴羅鏡的焦點(diǎn)。 返回 binocular tube