But in humans and a few other species, the placenta actually penetrates right into the mother's circulatory system to directly access her blood stream.
但对于人类和其他少数物种来说,胎盘实际上直接进入了 母体的循环系统,直接接触母体的血液。
单词 | access stream |
释义 |
access stream
原声例句
TED-Ed(视频版) But in humans and a few other species, the placenta actually penetrates right into the mother's circulatory system to directly access her blood stream. 但对于人类和其他少数物种来说,胎盘实际上直接进入了 母体的循环系统,直接接触母体的血液。 |
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