Repaying
v. 償還( repay的現(xiàn)在分詞 ); 付還; 報(bào)答; 酬報(bào)
??? 情景例句
Believe me.
相信我。
Put (or Lay or Set) one's shoulder to the wheel.
出一把力。
The question became one of whether Man could control the disease he had invented.
現(xiàn)在的問題是，人類能否控制住這種人為的疾病。