Marrum
铁结核层
🗣️ 情景例句
The patient showed a marked improvement.
病人病情显著好转。
My favorite winter sport is skiing.
我最喜欢的动机运动是滑雪。
The noise pollution survey revealed a rather spurring and possibly amusing old fashioned source of noise.
这个有关噪音的污染调查还揭示了一种出人意外而同时可能会引人意外而同时可能会引人发笑的老式噪音源。