| 单词 | cottony-cushion scale |
| 释义 | cottony-cushion scale in British Englishnoun a small scale insect, Icerya purchasi, that is a pest of citrus trees in California: it is controlled by introducing an Australian ladybird, Rodolia cardinalis, into affected areas cottony-cushion scale in American English (ˈkɑtn iˈkuʃən) noun a scale insect, Icerya purchasi, native to Australia, now a common pest in the citrus-growing regions of California Word origin [1885–90]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: foregut, roller coaster, toner, twofer, upsweep |
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