Definite intervals
[法] 定期
🧩 词语组成解析
n. [军事]间隔( interval的复数形式 ); 间隔时间; [数学]区间; （戏剧、电影或音乐会的）幕间休息
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
He insisted that we all be in his office at one o'clock.
他要求大家一点钟到他的办公室。[大学英语四级]
Let us suppose that you are preparing a meal and keeping an eye on the baby at the same time.
假设你在做饭，同时又在照看孩子。