Obviating
v. 避免, 消除(贫困、不方便等)( obviate的现在分词 )
🗣️ 情景例句
Do you ever think about your clildhood?
你回忆过童年吗?
All are brave when the enemy flies.
敌人逃跑时,个个都勇敢。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段,即每秒1420兆周的精确无线电频率。
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