The correct way to write "惊喜单词" in English is "surprise word".
"惊喜单词" directly translates to "surprise word" in English. The term refers to a word or phrase that evokes a sense of surprise or unexpected delight. It is often used in educational contexts, where teachers or language learners incorporate surprising or interesting words to enhance vocabulary or spark curiosity. These surprise words can be unique, bizarre, or simply fascinating, encouraging learners to explore and expand their linguistic horizons. By incorporating surprise words into language learning, educators aim to make the learning process more engaging and memorable for students.