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)
🗣️ 情景例句
It's our school, but we can't vote.
那是我们的学校 ,可是我们却不能投票。
She's a widow.Her husband died last year.
她是一个寡妇。她的丈夫去年死了。
and the more difficult it is, the more highly it is regarded.
他们认为, 道路愈艰险愈带劲儿。
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