Perikon detector
[电] 双晶体检波器
🧩 词语组成解析
🗣️ 情景例句
You should save some money in case of urgent need.
你应该存点钱以备不时之需。
We can quote you a gross price, inclusive of delivery charges, of 38.50 pounds per 100 items. These goods are exempt form VAT.
我们可以给你方报毛价，每一百件38。5英镑含运费。这些货物免收增值税。
OK. But I'm afraid I may be a little late.
好。不过我恐怕会稍晚一点到。