Dance piano accompaniment teacher is in the art education, an emerging occupation, is also dances in the teaching, essential important component.

舞蹈钢琴伴奏老师就是艺术教育中，一个新兴的职业，也是舞蹈教学中，不可缺少的重要组成部分。

youdao

The shipping system of Heilongjiang river is the essential important component of the network of traffic and transportation of the Northeast China.

黑龙江水系的航运是东北地区综合交通运输网不可缺少的重要组成部分。

youdao

Non-verbal symbols are essential to communication, and body language is an important component in non-verbal communication.

非言语符号是交流中必不可少的，而体势语是非言语交际的重要组成部分。

youdao

Social work has been known as the helping profession for over a century and during that time has been an essential component of the social safety net, guiding people to critical resources, counseling them on important life decisions, and helping them reach their full potential.

WHITEHOUSE: The White House