They were ordered to advance in the enemy's position under cover of darkness.
他们奉命在黑暗的掩护下向敌军阵地前进。
Enemy agents act under cover while we are in the open, so we must be on guard.
我们在明处，敌特在暗处，可得提防着他们点儿。
We are sending you under cover a catalogue covering goods available at present.
随函附上一份我方目前可供货的目录单。
We will send you under separate cover by airmail a copy of the latest catalogue.
我们另函给贵方航空邮寄一份最新商品目录。
Two companies were moved up under cover of darkness to reinforce the front line.
趁着天黑两个连队被调上去增援前线。
We are sending you under cover a catalog covering the goods available at present.
随函附上一份我方目前可供之货得目录单。
Under cover of the smoke, the brave soldier reached the dry ditch under the bridge.
在炮火的掩护下，那位勇敢的战士到达桥下干涸的壕沟。
Under cover of the Polar Night, they emerge to paint the sky in the colours of time.
她们在极夜笼罩下显灵，将天空渲染成时间的颜色。
Please also look for our new catalog via email, under separate cover for your review.
此外，请您也看看随件函附上的新产品介绍项目表。
Determination and Analysis of Oceanic Heat Flux Under Sea Ice Cover in the Liaodong Bay
辽东湾冰期海洋热通量的确定与分析
She had to made a desperate attempt to leave her husband so she left under the cover of night.
她只能孤注一掷, 离开她的丈夫, 所以她趁着夜色跑了。
Jacob sneaks under the cover of Isaac's blindness and steals away with his father's blessings.
雅各布乘艾萨克老眼昏花，狡猾地骗取了父亲的祝福。
Under separate cover, we have sent you samples of various sizes, our catalogue and price list.
另函附寄各型号样本, 商品目录和价格表。
Application of Slip Casting Techniques in Project of Underground Excavation under Shallow Cover
注浆工艺在浅埋暗挖工程中的应用
We acknowledge your order, and advise you that the goods will be despatched under separate cover.
您的定货单已收悉，现谨通知您，货物将另包发出。
Under submachine gun cover, the company commander rushed forward to the foot of the enemy's blockhouse.
连长在冲锋枪的掩护下冲到了敌人的碉堡下面。
Every night, it was said, he came creeping in under cover of darkness and performed all kinds of mischief.
据说, 每天晚上他都在夜幕的掩护下潜入庄园, 无恶不作。
An insurance policy is acceptable in lieu of an insurance certificate or a declaration under an open cover.
可以接受保险单代替预约保险项下的保险证明书或声明书。
Under the condition of orthogonal experiment process parameters, we actually produced Die Casting pump cover.
并选用以上正交试验的工艺参数，对泵盖进行实际压铸生产。
The children did not leave their classroom; they simply took cover under the wooden surface of their class desks.
孩子们没有离开教室，他们只是躲在了木头桌子下面。
Stability Analysis of soft batt tunnel and the surrounding rock under status of shallow cover layer and oblique load
浅埋偏压状态下软弱泥质页岩隧道洞室及围岩的稳定分析
The main gate was promptly closed behind them, to keep outsiders from slipping in under cover of the general tumult.
大门已经关上, 免得外面的闲人混进。
Destructive study of the cover rock relating to the fully mechanized mining with caving method under ravelly ground and nappe
松散层及推覆体下综放开采覆岩破坏研究
Under the present climatic conditions, the genetic direction of the meadow soil types is constrained by their vegetative cover.
现代气候条件下，植被制约着草甸土类的发生方向。
In compliance with your request, we are sending you, under separate cover, our latest catalogue and price list covering our export range.
谨遵要求另函奉上最新之出口商品目录和价单。
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