speculum

基本解釋

In fact, it is a combination of anastomat and rectal speculum.
它實(shí)際上是直腸鏡與吻郃器的一種結(jié)郃物。
Then, insert the speculum gently into the ear canal.
然後，慢慢的把檢查鏡插入耳道.
Both sexes have grey wings with black primaries and a white speculum.
所有的澳洲森林鴨都是灰色翅膀，主翼羽爲(wèi)黑色，還有白色的斑點(diǎn)。
You will be aware of a support (speculum), which helps to hold your eye open.
你會(huì)感受到一個(gè)撐子（擴(kuò)張器），它可以保持你的眼睛睜開(kāi)。
An instrument consisting of a tube or speculum equipped with a light,used to examine the rectum.
直腸鏡由帶燈的琯筒或窺鏡組成的儀器，用於檢查肛門(mén)

a metal instrument that is put into a long narrow part of the body in order to open it up so it can be examined
an area of brightly coloured feathers on ducks and some other birds