It is said that "young people often look ahead to the future while the elderly look back on the past". The young are quick to respond to changes and are at the
<正> ? Can any animal outrun[超过]a cheetah?Over short distances,the cheetah tops 100 kilometres per hour,and no animal can beat that.Cheetahs reach such high s
1.黎明、午、夜、点与分用 at ●at dawn, at daybreak在黎明时 ●at noon在中午 ●at midnight在午夜 ●at a quarter to two1点45分 ●at the weekend在周末 2.在阳光下、在灯下、在树阴下,穿衣、着装、冒雨等用in ●Don’t read in dim light. 切勿在暗淡的灯光下