Definition of rainfast in English:

rainfast

adjectiveˈreɪnfɑːst

单词	rainfast
释义	Definition of rainfast in English: rainfast adjectiveˈreɪnfɑːst (of a chemical spray or other substance) not able to be washed away by rain. （化学喷剂或其他物质）雨水冲不掉的，耐雨水冲的 Example sentencesExamples This spray is longer lasting than the copper sprays used on tomatoes, and it is rainfast. Allow at least six hours for the glyphosate products to become rainfast. This product is cheaper, has a better safety profile, controls both types of rhizomes and is rainfast after 2 hours.
随便看	beaver away at beaverboard Beaverbrook, Max Aitken beaver cloth beavered beaver hat beaver house beavering beaverism beaver lamb beaver river Beaver River beavers be averse to Beaver State Beaverton be a victim of be a wake-up be a wake-up be awarded be a ward heeler be aware of be aware of/that be a warning of be away