Gravigrade
重足动物
🗣️ 情景例句
How much will it be?
要多少钱？
You're bound to feel that way at first, I guess.
我想，一开始都会有这样的感觉。
The idea of colonising Mars---- a world 160 times more distant than the Moon----
征服火星的计划-一个比月球远160倍的星球