| 词汇 | citronella |
| 释义 | citronella noun[ U ] uk /ˌsɪt.rənˈel.ə/ us /ˌsɪt.rənˈel.ə/ a natural substance, found in a type of grass also called citronella, that smells of lemons and is used to keep insects away and in making perfumes香茅;香茅油 Types of plant acanthus air plant amaranth Andromeda angiosperm emergent evergreen fiddlehead grower gymnosperm mossy mugwort mustard non-hardy non-legume spleenwort starter plug succulent sundew tenderness For where nets are not usable it is yet possible to protect the face and hands for six hours, at least, by application of oil of citronella, camphor, and paraffin. The most common "dope" used in the woods to keep off mosquitoes is called oil of citronella. Examples of citronellacitronella One dog owner complained that citronella oil stained the upholstery when the dog, fond of lying about on upholstery, barked. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The market for natural citronella oil has been eroded by chemicals synthesised from turpentine derived from conifers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The citronella collar releases a spray of citronella when a microphone in the collar senses barking. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Canadian regulatory concerns with citronella as an insect repellent are primarily based on data-gaps in toxicology, not on incidents. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The formula consists of pale spindle oil with a small amount of corrosion inhibitor and citronella oil (which gives the product its distinctive sharp odor). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Canadian regulatory authorities concern with citronella based repellents is primarily based on data-gaps in toxicology, not on incidents. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a minor constituent of many essential oils such as turpentine, cypress oil, camphor oil, citronella oil, neroli, ginger oil, and valerian. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The insulation on the blankets is washed in citronella, to repel parasites. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Incense made from materials such as citronella can repel mosquitoes and other aggravating, distracting or pestilential insects. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Citronella and lemongrass fuels should only be used outdoors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Axillary or terminal flowers arranged in panicles are small, yellowish green and fragrant, smelling of citronella. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Research also indicates that citronella oil is an effective repellent for body louse, head louse and stable flies. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. To be continually effective most citronella repellent formulas need to be reapplied to the skin every 3060 minutes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He describes in his autobiography how one day he pulled the bark of a rotting tree away and discovered citronella ants underneath. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other than citronella bark collars, there are the sonic or ultrasonic collars which also use vibration to stop a dog barking. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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