Aeration period
[机] 充气期间
🧩 词语组成解析
n. 通风\\n[化] 换气; 曝气
period
['pɪrɪəd]
n. 时期;（一段）时间;学时;句号;
adj. 具有某个时代特征的;（关于）过去某一特定历史时期的;（家具、服饰、建筑等）某一时代的;
peri周围，靠近+od道路→周期
🗣️ 情景例句
But he wants to cut the school budget!
但他想削减学校的预算！
Went on to get his master's degree from harvard.
然后在哈佛大学取得了学士学位。
The baby was about ten months old. At first she was asleep.
那小孩大约10个月大。最初，她是睡着的。