straight-A
adjective [ before noun ] uk/ˌstreɪtˈeɪ/ us/ˌstreɪtˈeɪ/
在所有考试中赢得最好成绩的
getting the best results in all examinations
She had always been a straight-A student until she met him. 在遇见他之前,她的成绩一直是最好的。
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