| 单词 | birchbark |
| 释义 |
birchbark听听怎么读
英 ['b?:t?bɑ:k]
美 ['b?t?bɑk]
是什么意思 桦皮舟； 英英释义birchbark
学习怎么用 权威例句Business awards honour success and effortKenora spring break a time for healthy funKeewaywin AwardsStudy Past Tense VerbsOntario birchbark.A heliothis zea antifeedant from the abundant birchbark triterpene betulin.A Heliothis zea antifeedant from the abundant birchbark triterpene Detulin. J. Agric. Food Chem. 38, 493-496Colorado potato beetle antifeedants by simple modification of the birch bark triterpene betulin.The birchbark houseThe birchbark house
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