把下列中文翻译成英文。
①地区 ____ ②矮的____③山 ____
④乡下 ____⑤雨伞____⑥家乡 ____
一根铜棒,在下列情况下,其质量会变化的是( )
Sam is clever, and he's ____( also / too) hard-working.
The sun is one of stars in the space.