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1.protection n.保护
He asked to be put under police protection.
他请求警方保护。
2.material n.材料
Davina was sorting out scraps of material.
戴维娜正在整理零碎的材料。
3.high-risk adj.高风险的
Gas storage is a high-risk places, security management is particularly important.
储气库是高危险场所，安全管理尤其重要。
4.infection n.感染
Cholera is a bacterial infection.
霍乱是一种由细菌引起的感染。
5.The layers and tight weave make it harder for virus-carrying particles to pass through the material.
pass through 通过
I bored a hole so that the bolt would pass through.
我钻了一个孔，这样门闩就能穿过去。
An estimated 1,600 vessels pass through the strait annually.
估计每年有1600艘船经过这个海峡。
6.In high-risk situations, another expert suggests wearing a cloth mask as well as a surgical mask.
as well as 也
He's got plenty of brains as well as brawn.
他四肢发达，头脑也不简单。
He plays classical music, as well as pop and jazz.
他演奏流行音乐和爵士乐，同时也演奏古典音乐。
