Unconditional coutract
[经] 无条件的合约
🧩 词语组成解析
🗣️ 情景例句
Robbie just went to the store.
Robbie刚去商店。
We enjoyed ourselves very much.
我们玩的很开心。
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。