| 释义 |
DEFINITIVE EXAMPLES 权威例句〔ballast〕There was no extra ballast on the tractor.拖拉机上没有额外的配重块。外研社新世纪〔ballast〕These new vehicles are accurately ballasted and stable.这些新车配重精准而且平稳。外研社新世纪〔counterweight〕A weight used as a counterbalance.平衡重，配重：作为一种抗衡的重量美国传统〔counterweight〕The crane has a heavy counterweight on the back.起重机后部装有大配重。韦氏高阶 |