challengeable
/'tʃæləndʒəbl/something is capable of being disputed or challenged
adjective [原级]挑战性的
I am good at the science subjects which are challengeable.
我的理科学得很好，我觉得这些科目比较具有挑战性。
单词造句:
I am good at the science subjects which are challengeable.
我的理科学得很好，我觉得这些科目比较具有挑战性。