rockery

(also rock-garden) n artificial or natural mound or bank containing large stones, planted with rock-plants （天然的）岩石庭园; 假山庭园. =>illus at App 1 见附录1插图, page vii.

robot, robot-arm, robotic, robotics, robust, robustly, robustness, rock, rock and roll (also ,rock 'n' `roll), rock salmon, rock'n'roll, rock-bottom, rock-cake, rock-climbing, rock-crystal, rock-garden, rock-plant, rock-salt, rock-steady, rocker, rocket, rocketry, rockiness, rocking-chair (also rocker), rocking-horse, rocky, rococo, rod, rode, rodent, rodeo, rodomontade, roe, roebuck, roentgen (also rontgen), Rogation Sunday, rogations, roger, rogue, roguery,