depressor
[dɪ'prɛsɚ]
n. 压抑者, 抑压, 抑制剂

[医] , 压器, 压制剂, 减压神

1. Then I grasped the child's head with my left hand and tried to get the wooden tongue depressor between her teeth.
   接着掰住女孩头，试图将木制压舌板伸她嘴里。
2. The depressor anguli oris muscle depress the corner of the mouth, the mentalis muscles pulls the lower lip out, and the platysma depresses the mandible.
   鼻翼将嘴，颏唇伸展，颈阔使颔移。
3. Contraction of the zygomatic major muscle elevates and retracts the corner of the mouth, while the depressor labii inferioris pulls the lips down and out.
   颧控制嘴延展缩动，鼻翼责使唇移动。

depressor
[ noun ]

1. any skeletal muscle that draws a body part down

<noun.body>

2. any nerve whose activity tends to reduce the activity or tone of the body part it serves

<noun.body>

3. a device used by physician to press a part down or aside

<noun.artifact>

Depressor \De*press"or\, n.
1. One who, or that which, presses down; an oppressor.

2. (Anat.) A muscle that depresses or tends to draw down a
part.

{Depressor nerve} (Physiol.), a nerve which lowers the
activity of an organ; as, the depressor nerve of the
heart.