indispensable

Mobile phones have become an indispensable part of our lives..移动电话已经成为我们生活中的必需品。

in(不) ＋ dispensable(可有可无的) → 不是可有可无的 → 必不可少的记忆

In the Chinese household, grandparents and other relatives play ________ roles in raising children. play an indispensable role in doing sth. 在…方面起着不可或缺的作用。句意： 在中国家庭里， 祖父母和其他亲戚在养育孩子方面起着不可或缺的作用。incapable： 无能力的， 不能胜任的； insensible： 无感觉的， 无动于衷的； infinite： 无穷的， 无限的。214infinite

真题例句...it is indispensable that communication between doctor and patients should be strengthened due to the the fact that doctor-patient communication can be seen as a bridge of two-way communication between doctors and patients...CET42017.12写作题

真题例句...which is the indispensable characteristic in my life...第三套CET42014.12写作题

真题例句...It is worth mentioning that those seemingly basic and elementary skills we learned in school actually play a significantly indispensable role in our future works...第三套CET42013.6写作题