tear duct

基本解释

However, Shan had also lost his tear ducts.
可是，杉恩已经失去了泪管。
Imperforate lacrimal punctum is a congenital disorder of dogs involving the lack of an opening to the nasolacrimal duct (tear duct) in the conjunctiva.
鼻泪管阻塞是指一种先天性的鼻泪管在结膜上缺乏开口的疾病。
The tear duct was obstructed.
泪腺堵塞了。
He felt his tear ducts burning, and could barely restrain himself from grasping his mother's thin, bony hands in his own.
他感到鼻子有些发酸。他差点忍不住握住母亲那双瘦骨嶙峋的手。
When tear ducts are unable to produce the film of moisture that prevents the eyeballs from becoming scratched,scarring eventually becomes so severe it is impossible to see.
如果泪管不能产生防止眼球被擦伤的湿润眼翳的话，最终角膜结疤就会变得很严重，以致失明。