让我们更加仔细地看看植物是怎样生长的。
让我们更加认真地研究一下植物是怎样生长的。
问题的关键是植物在混合物中怎样才能生长得好。
The crux comes with the question of how well the plant grows in the mixture.
园林工人和农夫用了几十年的植物生长剂却不知道植物是怎么生长的，植物生长剂是怎样合成、分布扩散的也一直是个长期困扰的谜。
Gardeners and farmers have used the plant hormone auxin for decades, but how plants produce and distribute auxin has been a long-standing mystery.
园林工人和农夫用了几十年的植物生长剂却不知道植物是怎么生长的，植物生长剂是怎样合成、分布扩散的也一直是个长期困扰的谜。
Gardeners and farmers have used the plant hormone auxin for decades, but how plants produce and distribute auxin has been a long-standing mystery.
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