Betoken : To be or give a sign or portent of.预示: 做或给出记号或预兆.He gave her a gift to betoken his gratitude.他送她一件礼物表示感谢.Dark clouds betoken a storm.乌云予示着暴风雨的来临.Those black clouds betoken rain.那些乌云预示有雨....
He patched up an old bicycle to ride to work and save carfare.他修补了一辆旧自行车,骑车上工,省下了交通费.That guy's always trying to put the bite on me for carfare home.那家伙每次回家都找我借钱付汽车费....
He found that the sonic surface was, in general, discontinuous.他发现声速面通常是不连续的.The new aircraft creates a sonic boom.那种新飞机会产生声震。He activated the door with the miniature sonic transmitter.他用微型声波发射器开启了门。Sonic Lock Loud Alarm...