Ashtuff
灰质凝灰岩
🗣️ 情景例句
I'll have to work for years to pay off my college loan.
我得工作好几年才能还清助学贷款。
My Biochem lectures are in the morning, and the labs are in the afternoon.
生物化学的课安排在上午，实验在下午。
We'll have to get this contract typed as soon as possible.
我们得尽快把契约书打出来。