Onr
abbr. Office of Naval Research<美>海军研究局
🗣️ 情景例句
and he made the weekend very easy for us to enjoy.
使得我们的周末过得非常轻松愉快。
A man becomes learned by asking questions.
要长学问，就得多问；多问则业精。
Is there anything else I should do?
我还有别的事要做吗？