Immunisation
n. 免疫(immunization)
🗣️ 情景例句
I'm so hungry, I could eat a horse.
我饿得能吃下一匹马！
In all things, it is better to hope than to despair.
凡事抱希望为佳，不应悲观而失望。
'My key,' I shouted.
“钥匙！”我喊道。