Dihydrocodeine
[化] 双氢可待因
🗣️ 情景例句
The work is not as difficult as you think.
工作不像你想象的那么难。
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
Yes?
是吗？