拼
钻研
HSK7-9v 0 · Lv.1
zuānyán
nghiên cứu; đi sâu nghiên cứu
study intensively; dig into; do exhaustive research work 努力 钻研 业务 endeavour to gain professional proficiency 钻研 数学 dig at mathematics 钻研 技术性问题 delve into the technical problem 钻研 技术 perfect one's skill; master technique 钻研 国际法 study assiduously international law
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