Reaction period
[化] 反应周期\\n[医] 反应期
🧩 词语组成解析
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
Oh, you think you're going to have a hard time
你认为需要大费周折
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
Maybe she'd like a new handbag. Her bag doesn't look nice.
她可能想要一个新的手提包。她的提包看起来不够漂亮。