Bepi
[医][=beta-endorphin immunoreactivity]β-内啡呔免疫反应性
🗣️ 情景例句
Help yourselves.
请随便用。
Hi, Jack, where do you live now?
你好，杰克，你现在住哪儿？
He did not look up from his desk when I entered.
我进去的时候，他连头也没抬。