Dabe
abbr. double acceptor bound exciton 双受主束缚激子
🗣️ 情景例句
I have approximately three-year experience using a computer.
我有大约三年操作电脑的经验。
All are not friends that speak us fair.
向我们说好话的并不都是好朋友。
Oh, look! said Ann. What's that? She pointed at one of the things.
“看啊！”安说，“那是什么？”她指着一件展品问。