| 稀有 | [稀 有] uncommon #19,543 [Add to Longdo] |
| 稀有气体 | [稀 有 气 体 / 稀 有 氣 體] rare gas; noble gas (氦 helium, 氖 neon, 氬|氩 argon, 氪 krypton, 氙 xenon, 氡 radon), See also: 氦, 氖, 氬, 氩, 氪, 氙, 氡 #137,745 [Add to Longdo] |
| 稀有元素 | [稀 有 元 素] trace element (nutrition) #147,545 [Add to Longdo] |