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
Thanks.
谢谢。
It is easier to descend than to ascend.
下降容易上升难。
Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well.