to change irregularly; to metamorphose; to fluctuate irregularly的用法和樣例：
例句
- Play with an opal and watch the colors change.
玩弄蛋白石，欣賞它變幻的色彩。 - The Tokovaya Emerald mines also yielded other gemstones, including a new one that had the strange ability to change color.
托科瓦亞河祖母綠寶石礦還出產(chǎn)另外若干種寶石，其中一個(gè)新品種具有超強的色彩變幻能力。
