“静脉”造句

它只在静脉里起作用，在静脉中血液流动更慢一些。
It works only in the veins, where the blood flow is slower.

早产婴儿必须靠静脉输入喂养。
Premature babies have to be fed intravenously.

长途航班上的乘客须注意可能出现深静脉血栓。
Passengers on long-haul flights are being warned about the risks of deep vein thrombosis.

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