Asd
abbr. 蒽闪烁剂量计（Anthracene Scintillation Dosimeter）；自动同步鉴别器（Automatic Sychronized Discriminator）；空中情况指示器（Air Situation Display）
🗣️ 情景例句
Her boyfriend couldn't provide her with a sense of security.
她的男朋友无法给予她安全感。
The price of this model of cassette-player is 2500 Belgian francs at today's rate of exchange.
这个型号的录音机，按今天汇率，每台2500比利时法郎。
In five working days, if we ship by air.
如果空运的话，五个工作天内可以到。