1.refined adj. [油氣][化工][冶] 精煉的;精確的;微妙的;有教養的
This technique is becoming more refined and more acceptable all the time.
這項技術變得越來越精密和受人歡迎 。
2.mortality n. 死亡數,死亡率;必死性,必死的命運
The nation's infant mortality rate has reached a record low.
該國的嬰兒死亡率已達歷史最低 。
3.grazing n. 放牧;牧草 v. 擦過;抓傷(graze的現在分詞)
He had nearly a thousand acres of grazing and arable land.
他擁有近千畝的牧場和可耕地 。