Nitrodiphenylamine
硝基二苯胺
??? 情景例句
Hi. This si Peter from Dr. Alice's office.
嗨，你好，我是埃里斯診所的彼得。
She doesn't come as ofter as she used to.
她現在已經不像以前那樣常來了。
You're not busy doing anything, are you?'
你不忙，是嗎？”