If insect repellant or makeup is also being worn, apply sunscreen first.
如果还需要涂抹驱虫霜或者需要化妆，请首先涂抹防晒霜。
Recognizing its insect-repellant properties, the traders of silk and cashmere used patchouli leaves to fold inside their wares.
在发现它具有驱虫剂的功能之后，丝绸和羊绒商贩们会在他们的货物中卷进广藿香叶子。
Insecticide-treated bed nets, millions of which have been sold or given away in Africa in the past decade, have a long-acting repellant, permethrin.
过去十年，人们在非洲售出或分发了数百万经杀虫剂处理过的蚊帐，这种蚊帐含有一种长效驱虫剂：合成除虫菊脂。
It was a truly repellant experience.
那真是一段令人厌烦的经历。
Just bring strong mosquito repellant.
不过记得带上强力驱蚊剂。
You'll need sunscreen and insect repellant.
你需要防晒霜和驱蚊剂。
He said he has not been using any mosquito repellant.
他说他还没用过任何防蚊杀虫剂。
Objective: To synthesize a new type of repellant and determine its efficacy.
目的：合成新驱避剂，并测定其药效。
Therefore, it is not surprising that the origins of mosquito repellant are from long ago.
因此，驱虫剂的起源悠久实不令人意外。
'It's hard to tell if an alcohol wipe will strip the oil-repellant coating and damage the phone screen.
我们很难判断，用酒精擦拭是否会破坏防油涂层，并损害手机屏幕。
To create the channels, the researchers patterned cell-adhesive and cell-repellant chemical compounds onto a substrate.
为了建造通道，研究者将促进细胞粘附和细胞排斥的化合物分别涂布在培养基上。
In addition, the stone protective effect of good and bad, and repellant quality, construction techniques and the quality of the construction workers have great relationships.
另外，石材防护效果的好坏，与防护剂的质量、施工的工艺和施工人员的素质有很大的关系。
For the first time, Nasto and her colleagues have found that larger-scale structures millimeters to centimeters in size, such as fur, can have similar water-repellant properties.
而这是有史以来第一遭，研究人员发现较大尺寸的结构(毫米到厘米)也有类似的防水性能，例如皮毛。
For the first time, Nasto and her colleagues have found that larger-scale structures millimeters to centimeters in size, such as fur, can have similar water-repellant properties.
而这是有史以来第一遭，研究人员发现较大尺寸的结构(毫米到厘米)也有类似的防水性能，例如皮毛。
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