Indispensables
(indispensable 的复数) n. 不可缺少之物\\na. 不可缺少的, 责无旁贷的, 绝对必要的
🗣️ 情景例句
and tell us all about it during lunch.
一面吃午餐 ，一面告诉我们一切。
I'll go on an outing with some friends.
我与朋友去郊游。
People had to use other ways to record information.
人们只得使用其他方法记录资料。