vụ thử bom nguyên tử 
an atomic (bomb) test [ vụ ] : [CL for accidents, disasters]; business, duty, affair; case (of)
[ thử ] : to try, test, attempt
[ bom ] : (1) bomb; (2) to extort; (3) apple
[ nguyên ] : acting, holding a post temporarily; to be intact, unaltered, brand new, original; in full; all, whole, entire
[ tử ] : to die, decease
Most Common Compounds Set 1:
Most Common Compounds Set 2 :