Retained moisture
[化] 残留水分
🧩 词语组成解析
v. 保持( retain的过去式和过去分词 ); 拦住; 保存; 止住
🗣️ 情景例句
Who do you work for?
你是做什么工作的？
Discontent is the first step in progress.
不知足是前进中的第一步。
Two years later, her father disappeared, never to be heard from again.
两年后，她父亲失踪了，从此再无音讯。