Celovirus
鸡胚致死孤病毒
🗣️ 情景例句
You look very young. How old are you?
你看起来真年轻， 你多大了？
Our own actions are our security,not others' judgements.
我们的行为是自己的保证，并不是旁人的鉴定。
When will the contract be ready?
合同何时准备好？