vocabulary 1

1. detriment 损害 (noun) : a disadvantage   (Smoking is a detriment to our health)
2. dexterous灵巧的 (adj): skilled (dexterous fingers)
3. discretion (noun)谨慎：good sense (Small children haven't yet developed discretion. They ask embarrassing question like "When will you dead, Grandpa?"
4. facetious (adj)好笑的: funny (He was so facetious that he turned everything into a joke)
5. gregarious (adj): outgoing (My gregarious brother loves parties, but my shy sister prefers to be alone.)
6. optimum (adj): ideal (Do you know the optimum temperature for the growth of plants?)
7. ostentatious (adj)炫耀的 : showy ( an ostentatious display of wealth)
8. scrupulous (adj)有顾虑的: ethical, careful (She is scrupulous to a degree)
9. sensory (adj)感觉的: of the sense （Because our sensory experiences are interrelated, what we taste is greatly influenced by what we smell)
10. vicarious (adj): indirect (He gained vicarious pleasure from watching people laughing and joking)