Meaning of ngoại viện | Babel Free
/[ŋwaːj˧˨ʔ viən˧˨ʔ]/Định nghĩa
out-of-hospital, in the field
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.