n. 长橇

Bobsled \Bob"sled`\, Bobsleigh \Bob"sleigh`\, n.
1. A short sled, mostly used as one of a pair connected by a
reach or coupling; also, the compound sled so formed. [U.
S.]

The long wagon body set on bobsleds. --W. D.
Howells.

2. a long racing sled (for 2 or more people), having two
pairs of runners, with the front pair connected to a
steering mechanism. They are usually raced one at a time
down a steeply sloping path or specially constructed
chute, with sharp banked curves, and attain high speeds.

Syn: bobsled.
[WordNet 1.5 +PJC]