| 释义 |
boom3 /boom/ noun- A pole which controls the position of a sail
- A chain or bar stretched across a harbour
- A barrier of floating logs
- An inflatable barrier used to contain oil from spillages, etc
- A long beam
- A movable and usu extendable beam which holds an overhead camera or microphone in a TV studio or on a film set
- A tree (as combining form, eg kaffirboom, etc; S Afr)
ORIGIN: Du boom beam, tree boomˈ-iron noun A ring in which a ship's boom slides boomˈslang noun (S and E Afr) A venomous tree snake |