Attenuated poliomyelitis vaccine
[医] 减毒脊髓灰质炎病毒疫苗
🧩 词语组成解析
a. [生物][物] 衰减的；瘦长的\\nv. 使减弱；使变细；稀释（attenuate的过去分词）
poliomyelitis
[ˌpəuliəumaiə'laitis]
n. 脊髓灰质炎，小儿麻痹症;
vaccine
['væksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
🗣️ 情景例句
He's on leave now.
他现在在休假。
Tis a good horse that never stumbles.
好马不失蹄。
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去，顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。