D region

【物理学】D 区(离地球表面约60～90公里处的电离层的最低部分)[亦称作D layer]

🧩 词语组成解析

region ['ridʒən]

n. 地区，地域，地带;行政区，管辖区;（大气，海水等的）层，界，境;（学问等的）范围，领域;

reg国王+ ion 表名词 → 属于国王的 → 领域；地区

The rural workforce has been flowing in to the cities ever since the open door policy was adopted.

自从改革开放政策实施以来，农付劳动力正不断流向城市。

Better wear out shoes than sheets.

宁可（经常运动）穿破鞋子，也不（因病长卧）磨破床单。

Would you like to do that now?

你要现在就讨论吗？

更多情景英语 ›

David Livingstone

defries

dementia myoclonica

detention centre

differone

dilaurylformamide(DLE)

disobedience ,dɪsə'bidɪəns

dithiosalicylic acid