在这一刹那，恒星发出的光会穿透行星的大气，天文学家得以研究产生的波长，并推断行星大气的化学成分。
In those brief moments, the light from the star would flow through the planet's atmosphere, allowing astronomers to study the wavelengths produced and infer the atmosphere's chemical composition.
Husky的主要成分是被称为VISOR 2500的地面穿透雷达。
The main component of the Husky is ground-penetrating radar called the VISOR 2500.
这两种物质都不会穿透皮肤，基于这两种成分的防晒霜效果好，还安全。
Neither one of these seems to penetrate the skin, and sunscreens based on these ingredients appear to be safe as well as effective.
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