successful completion短语²⁴⁵⁷⁶ 基本例句 成功完成 The selection procedure will involve successful completion of an English test. Applicants from non- EU countries must hold a valid visa for the duration of this full-time programme. 要进入这个英语课程需要成功通过英语测试。非欧盟的学生需要申请学习签证。 cnr