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 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...