Their cheerfulness seemed rather strained and artificial.

他们的快乐表情看上去很勉强而做作。

Artificial sweeteners are used in soft drinks.

软饮料中使用造甜味剂。

The artificial rainmaking ( cloud seeding ) doesn't help much.

造雨（云种散播）没发挥什麽多大的作用。

This brand of tinned beans contains no artificial colouring.

这种品牌的罐装青豆不含造色素。

Does artificial silk crease more easily than natural silk?

造丝比天然丝更易起皱吗?

They tried artificial respiration but it was of no avail.

他们试做呼吸,可是无效。

We don’t use any artificial flavourings in our products.

我们的产品不使用任何调味剂。

The operation to implant the artificial heart took two hours.

心脏植手花费了两小时。

The new dam will form a large artificial lake behind it.

新筑的水坝将在后面形成一个湖。

The government's plan for the artificial scenery spots is wholly misconceived.

政府景点的规划是完全错误的。

A lot of people use artificial sweeteners in their tea or coffee.

许多在茶或咖啡中放进造甜味剂。

(5) disaster diastrophism, artificial, rat damage, insect pest and so on causing.

（5）因天灾地变、为、鼠害、虫害等所导致者。

Rescuers pulled the child from the river,and she was given artificial respiration.

抢救者把孩子从河里救上来,给她做呼吸。

Our new policies are designed to break down artificial barriers to women’s advancement.

我们的新政策是要打破女性晋升为设置的障碍。

The Japanese have a rigid code of etiquette,which may seem artificial to foreigners.

日本有一套严格的礼仪,这在外国看来可能是矫揉造作的。

The orbit of the artificial satellite has an apogee of 200 miles from the earth.

这个造卫星的轨道，其最远点在离地球200英里的地方。

The application of the membranes in separation,preservation,fosterage,medicament release and artificial organ etc is also reviewed.

概述了塑料微孔膜在分离、保鲜、助长、药物释放、造器官等领域的应用。

Take hemanalysis instrument and artificial smear simultaneously to coordinate the diagnosis of leukaemia and megaloblastic anemia.

采用血液分析仪和手涂片同时进行辅助诊断白血病及巨幼性贫血。

The university will receive a subsidy for research in artificial intelligence. A

那个大学将得到一笔智能研究的补助费。

Among the 7 artificial paraoxon antigens studied, we found that paraoxon-tetanus toxoid has the best immunologic effect.

在7种氧磷抗原中,氧磷-破伤风类毒素的免疫效果最好。