单词学习：pitfall 名词
pitfall
/ˈpɪtfɔːl/
陷阱；隐患；意想不到的困难
One common pitfall for new teachers, as Mr. Gu pointed out, is trying to cover too much material too quickly.
正如顾老师指出的，新教师一个常见的陷阱是试图过快覆盖过多材料。
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