Acuities
(acuity 的复数) n. 尖锐, (疾病的)剧烈, 敏锐\\n[化] 锐度; 分辨能力
🗣️ 情景例句
No ... thank you.
不……谢谢你。
It's $25.00 one way or $45.00 for a weekend excursion.
单程票价25美元，周末旅行来回票价45美元。
Because they destroy so many insects, and insects include some of the greatest enemies of the human race.
因为它们能消灭那么多的昆虫，其中包括一些人类的大敌，