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OXF3000N 
kỹ lưỡng thấu đáo triệt để 
thoroughly
like: triệt để → →
The landscape has been radically altered, severely damaging wildlife. ☊ alter ☊
highly/really/thoroughly/very enjoyable ☊ enjoyable ☊
I can thoroughly recommend it. ☊ thoroughly ☊
The work had not been done very thoroughly. ☊ thoroughly ☊