Researchers observed one bird impale a rodent on a cactus.研究人员观察到一只鸟把一只啮齿动物钉在一棵仙人掌上。The road winds for miles through parched earth, scrub and cactus.公路蜿蜒数英里，穿过炙烤的大地、灌木丛和仙人掌。Cactus is a type of green desert plant.仙人掌是一种绿色...
...a spiny cactus.多刺仙人掌It was the first year that the cactus had produced flowers.这是这棵仙人掌第一年开花。Researchers observed one bird impale a rodent on a cactus.研究人员观察到一只鸟把一只啮齿动物钉在一棵仙人掌上。The cactus has spines.仙人掌有刺.The road wind...
The building work is now behind schedule, but contractors are confident that they can make up for lost time.这项建筑工程目前落后于预定计划，但是承包人有信心把失去的时间补回来。We got estimates from three different contractors before accepting the lowest....
The light bulb has a resistance of 120 ohms.灯泡有120欧姆的电阻.When resistance in the circuit exceeds 230 ohms, the reading is not completely dependable.网路电阻超过230欧姆时，读数就完全不准了。We shall take the typical emitter - to - base resist...