R-f energy
[电] 射频能量
🧩 词语组成解析
🗣️ 情景例句
I'll hang it in my office. But I feel bad I didn't get you anything.
我要把它挂在办公室。不过，真不好意思，我什么也没送你。
He is now out of touch with his old friends.
他现在已经没有和他过去的朋友联系了。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，历史学家企图重现遥远的过去可是一项艰巨的任务，