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leach

verb
🔊/liːtʃ/
🔊/liːtʃ/
 (specialist)
Verb Forms
present simple I / you / we / they leach
🔊/liːtʃ/
🔊/liːtʃ/
he / she / it leaches
🔊/ˈliːtʃɪz/
🔊/ˈliːtʃɪz/
past simple leached
🔊/liːtʃt/
🔊/liːtʃt/
past participle leached
🔊/liːtʃt/
🔊/liːtʃt/
-ing form leaching
🔊/ˈliːtʃɪŋ/
🔊/ˈliːtʃɪŋ/
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  1. [intransitive] leach (from something) (into something) | leach out/away (of chemicals, minerals, etc.化学物质、矿物质等) to be removed from soil, etc. by water passing through it淋洗；淋失
    • Nitrates leach from the soil into rivers.硝酸盐由土壤淋洗入江河。🔊🔊
    Topics The environmentc2
  2. [transitive] leach something (from something) (into something) | leach something out/away (of a liquid液体) to remove chemicals, minerals, etc. from soil过滤；滤去
    • The nutrient is quickly leached away.养分很快就被滤掉了。🔊🔊
    3. Word OriginOld English leccan ‘to water’, of West Germanic origin. The current sense dates from the mid 19th cent.