单词 | 上下振动 |
例句 | DEFINITIVE EXAMPLES 权威例句〔oscillate〕Its wings oscillate up and down 100 times a second.它的翅膀每秒钟上下振动100次。外研社新世纪〔pitch〕To oscillate about a lateral axis so that the nose lifts or descends in relation to the tail. Used of an aircraft.上下振动:绕航线轴晃动,机头时而高于时而低于机尾。用于飞机美国传统 |
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