Epidural block
[医] 硬膜外阻滞
🧩 词语组成解析
[医] 硬膜外的
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
It helps enormously.
这个帮助很大。
Friends are lost by calling often and calling seldom.
交往过密过疏，都会失去朋友。
but ever since he moved in, he has had trouble with cars and their owners.
但自从搬进去后，就和汽车及车主们发生了磨擦。