(1)岩(层)(natural stone that forms part of the earth's surface)[U]：The earth's crust is made up of～under a layer of soil. 地壳是由土层下面的岩石构成的。Those cliffs are solid～. 那些峭壁是坚硬的岩石。melted～poured out from a volcano 火山口溢出的熔岩;a～formation 岩石层;

(2)礁(岩)石(large piece of stone higher than the surrounding land or stands out from the sea)[C]：The ship ran on/against a～. 船触礁了。The boat struck/hit a～. 那艘船触礁了。climb over/sit on a～爬上/坐在一块岩石上;(as) solid/firm/steady as a～坚如磐石;〖同〗stone;

(3)大石块(large separate piece of stone)[C]：R～s fell/rolled down the hillside. 大石块从山坡上掉/滚下来。falling～s 滚落的石块;〖同〗stone;

(4)小石子，石头(small stone that can be picked up with one's hand)[C]：throw a～at sb 朝某人扔石头;Stop throwing～s! 别扔石头了!〖同〗stone;

(5)彩色硬棒糖(type of hard sweet made in long round bars)[C](BrE)：a stick of～一根彩色硬棒糖;Edinburgh～爱丁堡硬糖块;

on the rocks 处于困境(infml)：Mr Jone's business was on the～s. 琼斯先生的企业濒临破产。

→′rocky adj 岩石的;多岩石的;坚硬的;′rockiness n 多岩石;坚硬;′rockery，′rock-garden n 岩石园;假山花园;͵rock-′bottom n 最低点;adj 最低的;′rock-climbing n 攀岩;′rock-crystal n 水晶;′rock-plant n 任何生长在岩石上的植物;′rock-salt n 岩盐;͵rock-′steady adj 坚(牢)固的，稳定的