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单词
teaching aid
释义
teaching aid
material used by a teacher to supplement classroom instruction or to stimulate the interest of students.
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radio car
radiocarbon
radiocarbon dating
radiocast
radiocesium
radiochemical
radiochemistry
radiochromatography
radio compass
radiodiagnosis
radio direction finder
radioelement
Radio Free Europe/Radio Liberty
radiofrequency
radio galaxy
radiogenic
radiogram
radiograph
radiography
radio horizon
radioimmunoassay
radioimmunology
radio interferometer
radioiodine
radioiron
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更新时间:2025/6/10 4:16:41