Spectrum signature
[电] 频谱特征
🧩 词语组成解析
🗣️ 情景例句
At any rate, we must go there.
不管怎么样，我们非去那里一趟不可。
The sight of the food made my mouth water.
看见食物，我就垂涎欲滴。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。