Keplerian
a. (德国天文学家)开普勒的,开普勒定律的,开普勒理论的
🗣️ 情景例句
Good morning, Mom.
早安 ，妈妈。
What shall I give him for his Easter?
我要给他什么东西作为复活节礼物？
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。