Rhachitomi
塊椎亞目
??? 情景例句
Why, I didn't know that your grandfather was born in Germany.
你看 我竟然不知道您的爺爺出生在德國。
To stand on your hands
倒立
it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
在月球上加速到每秒1。5英里比在地球上所用能源要少得多。