TOEFL单词短语学习：

spark vt. 发动；鼓舞；求婚 (verb): to start or begin suddenly
- His comments sparked a lot of controversy.

establish vi. 植物定植 (verb): to set up or create
- The parents established a cancer fund in memory of their son who died.

imply vt. 意味；暗示；隐含 (verb): suggesting or leading someone to believe
- I'm not implying that you shouldn't take the job. Just think about it a little more before accepting the position.

disenchanted adj. 不再着迷的；不再抱幻想的；感到幻灭的 (adjective): disappointed or disillusioned with a feeling of not having been told the truth
- He became disenchanted with life overseas and soon returned to his country.

elaborate vi. 详细描述；变复杂 (verb): explain in more detail
- Could you elaborate on your ideas on starting your company?

tactile adj. [生理] 触觉的，有触觉的；能触知的 (adjective): the idea of touching
- He is a very tactile learning and always benefits from hands-on activities like building things.