| 词汇 | challenging |
| 释义 | chal·leng·ing adj a challenging job or activity is difficult to do, but is interesting and enjoyable because you have to use a lot of skill or effort 富有挑战性的; 需要充分发挥能力的: Teaching young children is a challenging and rewarding job. 教小孩子是一项既有挑战性又有价值的工作。 |
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