中文词 · Chinese word
改进
gǎi jìn — to improve; to make better; improvement
HSK 3.0 L3, HSK 2.0 L5, HSK newest L5 · study the lists
中文词 · Chinese word
gǎi jìn — to improve; to make better; improvement
HSK 3.0 L3, HSK 2.0 L5, HSK newest L5 · study the lists