n.[C]

1. 海岸；沿海地区[the S]
   They live in a town along the coast.

   他们住在一个沿海的城市里。

2. 【美】（大写）美国太平洋沿岸[the S]
3. 【美】（雪橇等的）向下滑行；滑行的斜坡

vt.

1. 沿……岸航行
   We coasted South America on our trip last year.

   去年旅行我们是沿着南美洲航行的。

vi.

1. 沿岸航行
2. （靠惯性）滑行[（+along/down）]
   The sledge coasted down the slope.

   雪橇沿着山坡向下滑行。

3. 毫不费力地前进，顺利进展
   Mary coasted through her exams.

   玛丽顺利通过考试。

n.

1. the part of the land adjoining or near the sea.
2. the easy movement of a vehicle without the use of power.

v.

1. (of a vehicle) move easily without using power.
   ▸be successful with little effort:

   they coasted to victory.
2. sail along the coast.