like: phép đo nhật xạ
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
phép đo nhật xạ * ☊ 
actinometry * ☊
[ phép ] : permission, authorization
[ đo ] : to measure, survey, gauge
[ nhật ] : Japan, Japanese
[ nhật ] : day; Japan, Japanese
[ xạ ] : to shoot (arrows)
[ đo ] : measure