Kct
[医] 阴极通电强直
🗣️ 情景例句
Sam, get Mr. Levine at Toytown Stores
Sam，给Toytown Stores的Levine先生
More of our worries come from within than from without.
烦恼发乎内者多于发乎外。
and they provided a striking demonstration of the potentialities hidden in instruments and apparatus.
并充分显示出了仪表和仪器的潜在力量。