Radiospectrum
射频频谱
🗣️ 情景例句
Look at those funny-looking clowns.
你看那些滑稽的小丑。
The watchmaker is near-sighted.
这位钟表匠是个近视眼。
On Saturday, Ann came home from school a little earlier.
星期六，安放学后提早了点回家。