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Language Point 31
...and saving lives through CAT scans and surgery. (Para. 17)
CAT scan: computerized axial topography scan
计算机化X射线轴向分层造影扫描；CAT扫描
surgery: n. 1. treatment of diseases or injuries by operation on the body
oral surgery 口腔外科
cosmetic surgery 美容外科
2. medical operation
Many lives have been saved by surgery.
外科手术拯救了很多人的生命。
Heart surgery is much more common these days than it was even ten years ago.
现在心脏手术比10年前更为常见了。
The patient's condition is serious; surgery is needed.
病人的情况很严重，需要做手术。
