32.각 문장 중 밑줄친 부분의 뜻이 다른 세문장과 같지 않은 것은?(정답률:알수없음)

1

a storm, we could not depart from the port.

2

It is unable to continue working atmospheric condition.

3

The station is emitting the frequency 500 KHz the silence period. 정답

4

engine trouble, we cannot proceed.