dog block的用法和样例：
例句
- The metal of a drug-eluting stent is coated with a drug that helps prevent tissue regrowth that can block the vessel.
这种药物涂层的金属支架可以防治导致血管再阻塞的组织的生长。 - The other treatment choices are urethral stent, urethral ballon dilatation, oral medication, pudendal nerve block, anal stretch and botulinum toxin injection.
其他治疗方法包括尿道支架，气球扩张术，口服药物，阴部神经阻断术，手指肛门扩张和肉毒杆菌毒素注射等。
