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1. The baby's villus aspiration is very strong, making it difficult for him to breathe.
婴儿的绒毛吸吮力很强，让他很难呼吸。
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2. The doctor noticed that the patient had a villus aspiration problem, which could be causing hischest pain.
医生注意到病人有绒毛吸吮问题，这可能导致他的胸痛。
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3.The scientist discovered that the villus aspiration process could be improved by using a new technique.
科学家发现，通过使用一种新的技术，可以改进绒毛吸吮过程。