1. He tip-toed to the door in his stockinged feet. 他只穿着袜子踮着脚尖走到门口。
2. They then found the same virus lurking in the genome of the three-toed sloth. 然后他们在三趾树懒的基因组中发现了同样的病毒。
3. The simplest explanation is that the toed lineages never lost their toes, but Wagner begs to differ. 最简单的解释是，趾系从未失去过脚趾，但瓦格纳却不同意这种说法。
4. They tip-toed out, through the broken weather-boarding, and stopped at a little distance to exchange a parting word. 他们踮起脚尖，从破木板缝里走了出来，走了一小段路就停下来相互道别。
5. Emu is a large Australian flightless bird, similar to the ostrich but with three-toed feet and grey or brown plumage. 鸸鹋是一种大型的澳大利亚不会飞的鸟，类似于鸵鸟，但是有三趾的脚和灰色或棕色的羽毛。
