VOA慢速英语:美国提议开放沿海水域进行石油钻探

appropriate - adj. especially suitable or compatible

continental shelf - n. the area of seabed around a large landmass where the sea is relatively shallow compared with the open ocean. The continental shelf is geologically part of the continental crust.

broad - adj. covering a large number and wide scope of subjects or areas.

drilling - v. produce (a hole) in something by or as if by boring with a drill.

lease - n. a contract by which one conveys real estate, equipment, or facilities for a specified term and for a specified rent

marine ecosystems - n. a complex of living organisms in the ocean environement

offshore - adv. at a distance from the shore

reliant - adj. having reliance on something or someone

tourism - n. the practice of traveling for recreation

unique - adj. being the only one