Microspread
噪声观测剖面
🗣️ 情景例句
That's very nice of you. Where did you get it? It's not a print.
真细心！你从哪儿弄来的？这还不是复制的呢！
What do you know?
你懂什么？
The lake was not a natural one, but a man-made reservoir.
这不是一个天然湖泊，是一座人工修建的水库。