Mesothoriumii
[化] 新钍II; 228Ac
🗣️ 情景例句
you have a lunch appointment with Mr. Levine,
跟Levine先生约好吃午餐。
But today well lived makes every yesterday a dream of happiness, and every tomorrow a vision of hope.
只有今天好好地生活，昨天才会变成幸福的回忆，明天才会成为希望的憧憬。
He sent the journalist two more faxes, but received no reply.
他给记者先后发去两份传真，但对方毫无反应。