U-tube
[化] U型换热管
🧩 词语组成解析
🗣️ 情景例句
Well, then, perhaps we can get together another time.
也许我们可以另找时间聚一聚。
Health and understanding are the two great blessing of life.
健康和融洽是人生两大幸事。
Beyond two or three days, the world's best weather forecasts are speculative,
世界上最好的两三天以上的天气预报具有很强的猜测性，