Hacs
(hac 的复数) abbr. high acceleration cockpit 能迅速加速的飞机; high-alumina cement 高铝水泥, 矾土水泥
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
So our evenings will be quite full then?
那么我们的活动在晚上也安排满了吗？
He is quick-witted.
他反应灵敏。