蓝鲸是地球上体型最大的生物。The blue whale is the largest living thing on the planet.新发现的行星大约是地球的10倍那么大。The new planet is about ten times the size of the earth.有一颗小行星可能会与地球发生碰撞。There is an asteroid on a collision course with the Earth...
Retracing my steps was certainly not an option.回顾我的脚步并不是个办法.When in doubt, I find retracing my steps to be a wise place to begin.如果有问题, 我发现可以根据我的脚迹折回来.The spread touched a high of 2.53 percentage points earlier in the se...