Meaning of nghịch biến | Babel Free
/[ŋïk̟̚˧˨ʔ ʔɓiən˧˦]/Định nghĩa
not proportional
Cấp độ CEFR
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.