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
Genes are the very building blocks of life.
基因是生命最基本的构建者。
A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则，如果在一年内符合各种使用规定，就可更换。
You play to win, and the game has little meaning unless you do your utmost to win.
参加比赛就是为了取胜。如果不拚命去赢，比赛就没有什么意义了。