zuàn / shí / suī / rán / wài / biǎo / piào / liang / dàn / cóng / huà / xué / jiǎo / dù / kàn / yě / shì / yì / zhǒng / dān / zhì

钻石虽然外表漂亮，但从化学角度看也是一种单质。

Although a diamond is beautiful, chemically it is also a simple substance.