coaster

• n. 海岸沿いの貿易船; カップホルダー、小さなトレイ; ソリ

海岸から。

coaster (n.)

1570s, "one who sails along coasts," agent noun from coast (v.) in its original sense "to go around the sides or border" of something. Applied to vessels for such sailing from 1680s. Tabletop drink stand (c. 1887), originally "round tray for a decanter," so called from a resemblance to a sled, or because it "coasted" around the perimeter of the table to each guest in turn after dinner.

1. I 've been on an emotional roller- coaster since I 've been here.私がここに来てから、気持ちが落ち着かない。

2.The last few weeks have been a real roller coaster .

過去数週間、情勢はまったく変幻自在だった。

3.Over the last few years Japan 's socialists have seen their electoral popularity take a roller- coaster ride.

過去数年間、日本の社会党は有権者の支持率が高かったり低かったりした。

4.It 's great to go on the roller coaster five times and not be sick.

ジェットコースターに5回乗っても酔わなかったので、本当によかったです。

5.She turned green when she came off the roller coaster .

ジェットコースターから降りると、顔色が青くなった。