如果狗怀孕有小狗时，你可以登广告把小狗送人。

If a dog has babies, you can put an ad in the paper and give them away.

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如果在发现已经怀孕时再补充叶酸，很可能就来不及了。

If found to have to add folic acid during pregnancy, it may be too late.

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如果在发现已经怀孕时再补充叶酸，很可能就来不及了。

If found to have to add folic acid during pregnancy, it may be too late.

youdao