时间:2018-12-30 作者:英语课 分类:不择手段背单词


英语课

"ballast", ['bæləst]


n 压舱物(放在船舱或热气球吊篮里的重物,以增加稳定性);(性格上的)稳定因素


【记】ball球,last最后-最后的球-船最底层放了好多球-压舱物


【类】ballast:instability=purchase:slippage压舱物防止不稳定=支点防止滑落


ballast:stability=girder:support压舱物有稳定作用=横梁有支撑作用

 











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