Its own elliptic motion around it will be almost imperceptible.它绕着质心的椭园运动就几乎看不出来.His head moved in an almost imperceptible nod.他点头的动作微小得几乎看不出来。She answered with an almost imperceptible nod of the head.她几乎不为人察觉地点了一下头作为回答。...
Brian's hesitation was almost imperceptible.布赖恩的犹豫几乎难以察觉。imperceptible changes in temperature难以觉察的气温变化The slight change in the taste was imperceptible to most people.这种味道的细微变化对大多数人而言是无法觉察的....
I can't say any more, it's meant to be a big secret.我再也无可奉告了，这本是重大的秘密。Asked what she meant, she said mysteriously: "Work it out for yourself".问她是什么意思，她故弄玄虚地说：“你自己想吧。”I did not have the foggiest idea what he mea...
他们的一名线人用车尔尼作化名。One of their informers was working under the code name Czerny.他用化名在汉普郡的舰队街租了间房子。Using an alias, he had rented a house in Fleet, Hampshire.为了姓名保密，书中的人用的都是化名。Names of people in the book were changed to prese...
Furniture, household articles, and gramophones.收藏家俱 、 庭用品和老式留声机.They become gramophones and forget their duty to understand and create new things.他们起了留声机的作用,忘记了自己认识新鲜事物和创造新鲜事物的责任....
They put some wet towels on the radiators to humidify the room.他们在暖气片上放了些湿毛巾以使房间湿润.Parafin was emulsion is used to humidify when the fiberglass is produced.拉制玻璃纤维原纱时采用石蜡乳剂作浸润剂,其含量不大于2.2%....
叶黄素是含紫罗酮环的二 羟基 类胡萝卜素,在自然界广泛存在.Lutein is dihydroxy - carotenoids with the ionone ring systems distributed widely in nature.叶黄素和玉米黄质是含紫罗酮环的二 羟基 类胡萝卜素,在自然界广泛存在.Lutein and zeaxanthin are both dihydroxy - carotenoids with the...