under cover
短语词组
- regeneration under crown cover 林冠下更新
- tunnel under shallow cover 淺埋隧道
- under separate cover 另封;另郵;另函郵寄
- under plain cover 以普通信封寄發;用沒有注明商號;繙譯;沒有注明寄發人姓名
- under insurance cover 根據保險;根據保險涵蓋
- under the cover 遮蓋著
- under superficial cover 冠冕堂皇
- under r cover to 附在信中
- send under plain cover 用不注明發信人姓名的封皮寄發
- undercover agent 臥底；警方密探 返回 under cover