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New recruits have been undergoing training in recent weeks.最近几周，新兵正在接受训练。This powerful drug is used to tranquilize patients undergoing surgery.这种强效药剂被用来麻醉手术病人。The runway of this airport is undergoing expansion to accommo...
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Proctitis is common in patients undergoing pelvic radiation therapy.直肠炎常见于骨盆放射治疗的病人.This new plane is undergoing safety tests.这架新型飞机正在接受安全试验。New recruits have been undergoing training in recent weeks.最近几周，新兵正在接受训练。In 21 ...
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v.经历，承受( undergo的现在分词 )...