Ruthenious
a. [化]亚钌的,二价钌的
🗣️ 情景例句
Yes, but I'm only an amateur.
是的，我仅仅是业余爱好。
He answered almost all of my questions.
他回答了我几乎所有的问题。
Workers will have completed the new roads by the end of this year.
工人们将在今年年底前把新路铺好；