The trophectoderm maintains the pressure by pumping the fluid into the caity.
滋养层通过向腔内泵入液体来维持这种压力。
| 单词 | pumping fluid |
| 释义 |
pumping fluid
英语例句库
The trophectoderm maintains the pressure by pumping the fluid into the caity. 滋养层通过向腔内泵入液体来维持这种压力。
原声例句
少儿畅学课堂 It hangs upside down, pumping fluid into its wings to make them expand, and slowly opens and closes them to help them dry. 它倒挂着，等待血液进入它们的翅膀使之扩大，接着缓慢展开再合上使翅膀尽快变干。 |
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