记忆方法
将“aphid”分解为“a”和“phid”，想象一个“aphid”如同它的名字“aphid”（一种小型软体昆虫）一样，很“ah”地黏附在植物上（像“sticky”一样）。通过这个生动的画面，可以帮助记忆这个单词。
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词族 · aphid
词形变化
中文词源
aphid 蚜虫
词源不详。
英语词源
- aphid (n.)
- 1884, anglicized from Modern Latin aphides, plural of aphis, coined by Linnaeus (1758), though where he got it and why he applied it to the plant louse are mysteries. The theory favored by OED as "least improbable" is that it derives from the plural of Greek apheides "unsparing, lavishly bestowed," in reference either to the "prodigious rate of production" of the insects or their voracity. They also are known as ant-cows.
权威例句
- 1. The aphid is now laying waste to the wheat and barley fields.
- 蚜虫正在毁掉一片片的小麦和大麦田地。
- 2. Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying.
- 因为蚜虫类对有机磷化物能产生抗性, 所以要避免过多的喷洒.
- 3. Aphid count on plants in fields do not correlate with virus spread in the same fields.
- 田间植株蚜数与同块田内病毒的扩散程度间无相关性.
- 4. In general an aphid cannot or hardly identify its host at a distance.
- 在一定距离以外,蚜虫通常不能或难以识别其寄主植物.
- 5. There is adequate variability in plants to breed for resistance to certain aphid vectors.
- 植物有充分的变异性可用于培育对一些蚜虫介体的抗性.