1、 The blue specks are likely naturally occurring seashell particles or minerals.
蓝色斑点很可能是自然产生的海贝颗粒或矿物质。
来源:秒词邦搜集整理
2、 We are constantly surrounded by noise, most of which is not audible to us unless we hold something like a seashell close to one of our ears.
我们经常被噪音包围，大多数噪音是听不见的，除非我们把海贝之类的东西靠近一只耳朵。
来源:秒词邦搜集整理
中