Rdf
无线电测向器, 无线电定向仪, 无线电探问, 无线电测向
🗣️ 情景例句
They can keep a record of all of the important dates
他们可以记录下重要的日子。
There are good chances of promotion in this firm.
在这个企业里有很好的提升机会。
It is always wiser and safer to face up to reality,
遇事采取面对现实的态度总是比较明智和稳妥的，