例句 /

Pole shifts are a cataclysmic inversion of the planet's axis of rotation, up to 180 degrees; a sudden slippage of the planet's solid crust around the molten core.

详情正文

登录后查看完整内容

使用 DeepEvidence / 梅斯账号登录,新用户可在登录页面注册。

登录成功后将返回当前页面,继续浏览。