Microspread
噪声观测剖面
🗣️ 情景例句
She's worked two jobs for years.
几年来他一直同时做两个工作。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
What are you then?
那你是什么国家的人呢？