speculum

基本解釋

In fact, it is a combination of anastomat and rectal speculum.
它實際上是直腸鏡與吻合器的一種結(jié)合物。
Then, insert the speculum gently into the ear canal.
然后，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，主翼羽為黑色，還有白色的斑點。
You will be aware of a support (speculum), which helps to hold your eye open.
你會感受到一個撐子（擴張器），它可以保持你的眼睛睜開。
An instrument consisting of a tube or speculum equipped with a light,used to examine the rectum.
直腸鏡由帶燈的管筒或窺鏡組成的儀器，用于檢查肛門

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