专业训练职业训练 Career Training
职工专业训练费用 familiarization cost
职前专业训练 initial professional training
在职专业人员训练 on the job professional training
专业训练 职业训练
Professional training Vocational training
以上为机器翻译结果，长、整句建议使用 人工翻译 。
李娜17岁时就已经是一名职业运动员，在国家队进行专业训练。
At the age of 17, Li went professional and began training in the state sports system.
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