Teratron
亚毫米波振荡器
🗣️ 情景例句
He's writing to invite me
他写信邀请我
Few words,many deeds.
少说话，多做事。
We want it to stay down the hole until we can lead it off in a controlled manner.
我们要让石油留在井下，直到我们能用一种有控制的方法把它引上来为止。