3600 Sentences in 36 Units Quiz Listen to Stories

1 (wiktionary) 3 (glosbe) 11


CORE WORDS






HSK 3.0Big5GbPinEng
6 研發 研发 yánfā research and develop, R&D, research and develop something, research and development
7 厭煩 厌烦 yànfán bored, fed up with sth, sick of sth