propagate 测验

[ˈpɹɒpəˌɡeɪt]

[ˈpɹɑpəˌɡeɪt]

中传播

问题 1 :

Unlike seed plants, ferns propagate through haploid spores (Figure 1 a), thus requiring germination and growth of the gametophyte phase in sterile tissue culture to obtain sporophytes for callogenesis.

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问题 2 :

It takes 24 hours for password changes to propagate throughout the system.

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propagate

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