Be indispensible to
对...必不可少, 对...是必需的
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
不可或缺
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
I'd like to make an appointment to discuss a question.
我想约个时间讨论个问题。
These two students drank a lot of coffee.
这两个学生喝了许多咖啡。
As his flat is in a large town, he has no garden of his own.
他住在大城市里的一所公寓里，没有自己的花园。