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
About eight o'clock?
差不多八点钟好吗？
He likes playing the trumpet.
他喜欢吹喇叭。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。