LanGeek
审查
闪卡
拼写
测验
to make less progress than other competitors
to not succeed in doing something within the expected or required time limit
to develop or progress more slowly than someone or something else
to leave without taking someone or something with one
to be the true cause of something, often not immediately apparent
to remain in a location while others depart
to discover, meet, or find someone or something by accident
偶然遇见
to be clearly understood or communicated
to remain well-informed about a particular topic, subject, or situation
to present information clearly and effectively to others
to meet someone unexpectedly
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