担任[dān rèn]
词典assume the office of：担任。
词典hold the post of：干；担任。
词典担任的意思
词典occupy：占领；使用，住在…；使从事，使忙碌；任职。
词典danci.911cha.com
词典shoulder：肩膀；（衣服的）肩部；山肩；路肩。
担任[dān rèn]
assume the office of; hold the post of:
例：担任会议主席
take the chair;
担任警戒 （对运送中人、物）
ride shotgun;
担任领导
take charge;
担任友好调解人
act as amiables compositeurs (of arbitrators);
担任筹备工作
be charged with the preparatory work;
担任裁判
serve [act] as referee;
担任工会主席
be the chairman of a trade union;
担任乐队指挥
conduct;
请他们担任校外辅导员
invite them to be advisers on after-school activities
1. assumption n：39 complex adj.复杂的, 合成的, 综合的 n.联合体 | 40 assumption n.假定, 设想, 担任, 承当, 假装, 作态 | 41 interrelationship 相互关系[联系, 影响], 干扰
2. assumption：energy productivity能量產生力 | assumption擔任 | experimentation實驗
3. 担任
3. undertook undertaken：understand 理解 understood understood | undertake 担任 undertook undertaken | underwrite 签名 underwrote underwritten
4. 担任
4. take charge of undertake：有效期 period of validity | 担任 take charge of undertake | 焊条 welding rod