評論
打印
Because electromagnetic waves travel at the speed of light, radio communication between astronauts on the moon and the Earth would be_____by delays of only several seconds, whereas astronauts voyaging to the planets world face communications delays of minutes or even hours.
A.bolstered
B.hampered
C.enervated
D.facilitated
E.ravaged
A.bolstered
B.hampered
C.enervated
D.facilitated
E.ravaged
| 重點單詞 | 查看全部解釋 | |||
| minutes | ['minits] |
想一想再看 n. 會議記錄，(復數(shù))分鐘 |
||
| communication | [kə.mju:ni'keiʃn] |
想一想再看 n. 溝通，交流，通訊，傳達，通信 |
- 閱讀本文的人還閱讀了：
