Gravics
重力场学, 引力场理论
🗣️ 情景例句
Me?
我吗？
His career opportunities suddenly looked brighter.
他似乎突然又有希望飞黄腾达了。
I'm afraid I can't do that right now. the manager isn't here.
恐怕我现在不能退钱给你。经理不在这里。