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這些花蕾本身也會(huì)產(chǎn)生茁長(zhǎng)素.These bats buds themselves also produce auxin....

“茁長(zhǎng)素”的拼音為：zhuó zhǎng sù...

“茁長(zhǎng)素”的英語可以翻譯為：auxin ...