The gel costs 2 cents a dose, but the applicators are 40 cents because they are patented and were frequently redesigned to be more comfortable.

凝胶2分钱一剂，但是敷药器需要40分钱，原因在于这是专利产品，且经常被重新设计以便用起来更为舒适。

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Thus, valuable references were provided for carrying out the study of the balance ability of old people, for studying ways to test their balance ability and for the applicators to use in their tests.

为进行老年人平衡能力的研究，以及老年平衡能力检测方法的研究和测试老年平衡的应用者提供有价值的参考。

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Benda Brushes are the original bendable bristle brush applicators.

这是原有的可弯曲硬毛涂药器。

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He added that he did not know how much each dose would cost but said the applicators and gel cost "just pennies".

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In a demonstration in 55 different corn fields in Missouri over a four year period, the researchers attached the sensors to nitrogen applicators being used by the farmers.

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Beauty brands are rethinking the design of applicators that come with their products, whether it's the shape of the tip of an eyeliner wand or the number of bristles on a nail-polish brush.

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