正文

VOA慢速英语:高中生用3D打印帮医务人员制造面罩

2020-05-03来源:和谐英语

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Words in This Story

three-dimensional – adj. appearing to have length, depth and width

shield – n. a piece of equipment used as protection

mask – n. a covering for the face

motivate – v. to make someone more interested in doing something

senior – n. a student in his or her final year in college of high school

roughly – adj. about