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1.help out 帮忙
I help out with the secretarial work
我帮着做些秘书工作。
2.comes up 出现
Her cat came up and rubbed itself against their legs
她的猫跑上前来，在他们腿上蹭来蹭去。
3.diagnosed with 诊断
He was diagnosed with inoperable lung cancer.
他被诊断患了无法手术的肺癌。
4.keep from 阻止
He had to lean on Dan to keep from falling.
他不得不靠在丹身上以免摔倒。
5.high-risk 高风险的
Intravenous drug users are in a high-risk category for hepatitis C.
静脉注射毒品的人是患丙型肝炎的高危人.
