记忆方法
将“cactus”分解为“ca”和“tus”。想象一种植物（cactus）身体像一座小山（ca），顶部有很多尖锐的“tus”牙齿（刺）。这样的形象可以帮助你记忆这个单词。
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词族 · cactus
词形变化
中文词源
cactus 仙人掌
词源不详。
英语词源
- cactus
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cactus: [17] Cactus comes via Latin from Greek káktos, which was the name of the cardoon, a plant of the thistle family with edible leafstalks. Cactus originally had that meaning in English too, and it was not until the 18th century that the Swedish botanist Linnaeus applied the term to a family of similarly prickly plants.
- cactus (n.)
- c. 1600, from Latin cactus "cardoon," from Greek kaktos, name of a type of prickly plant of Sicily (the Spanish artichoke), perhaps of pre-Hellenic origin. Modern meaning is 18c., because Linnaeus gave the name to a group of plants he thought were related to this but are not.
权威例句
- 1. 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。
- 2. 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。
- 3. It was the first year that the cactus had produced flowers.
- 这是这棵仙人掌第一年开花.
- 4. Cactus is a type of green desert plant.
- 仙人掌是一种绿色的沙漠植物.
- 5. The giant cactus is the vegetable skycraper.
- 高大的仙人掌是植物界巨人.