has an important role 具有重要作用
has played an important role 发挥了重要作用
has an important guiding role 有重要指导作用
Relaxation has important role in stress management.
放松在压力管理中占有重要地位。
Therefore, selenium has important role in preventing and curing the tumors.
因此,硒在肿瘤的防治中具有非常重要的作用。
Professional skill training system has important role in higher vocational education teaching for its maneuverability.
职业技能训练体系在高等%职业教育教学中具有重要作用。
But the thirty-four year old actor has taken on an important role in real life as well.
VOA: special.2009.05.08
I think that America has an important role to play to have the standards increased.
我觉得美国在提高标准方面扮演着重要的角色。
Using his understanding of complex geometric forms, Lang has played an important role in origami's evolution.
VOA: standard.2010.03.17
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