Taon
[医] 婴儿脚气病
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
Scientists contribute to the well-being of mankind.
科学家为人类造福。
Let me take another look at our requirements.
那我们看看我们的需要量有多少