boom

B1 noun

us /bum/

Các nghĩa

sào căng buồm; cần cột thuyền

A spar extending the foot of a sail; a spar rigged outboard from a ship's side to which boats are secured in harbour.

Tighten the outhaul and place the appropriate line in the cam cleat located on the boom about two feet back from the mast.
cần trục micro/máy quay

A specially-designed, movable pole, used to suspend a microphone or camera high above the ground during filming or recording.
cần trục, tay cần

A horizontal member of a crane or derrick, used for lifting.
thanh chính ăng-ten Yagi

The longest element of a Yagi-Uda antenna, on which the other, smaller antennae are transversally mounted.
barie, cần chắn

A boom barrier; a lowerable bar used to block vehicle access.
phao chắn, rào chắn nổi

A floating barrier used to obstruct navigation, for military or other purposes; or used for the containment of an oil spill or to control the flow of logs from logging operations.

I went out on the timber boom and made a few casts, but with little success.
cầu thăng bằng

A gymnastics apparatus, similar to a balance beam, which must be traversed as part of an obstacle course, typically as a training exercise in school or as part of basic training for new military recruits.
cần chữ A lướt ván buồm

A wishbone-shaped piece of windsurfing equipment.