Phenylbiphenylyl oxadiazole (pbd)
[化] 苯基联苯基┭二唑
🗣️ 情景例句
Hi, Betty. I'll be at five five five...seventeen twenty.
好 Betty 我的号码是555-1720。
Poor but honest.
虽贫穷，要诚实。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。