n. [机]动力,功率;力量;政权,权力;强国,大国;
vt. 运转;用发动机发动;使…有力量;
vi. 靠动力行进;快速行进;
adj. 权力的;机械能的,电动的;用电力(或动力)发动的;
🗣️ 情景例句
The radio has lost most of its audience, thanks to TV.
由于电视的存在,收音机失去了大量听众。
When will the ship leave for honolulu?
这艘船什么时候出发去檀香山?
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.