Digital signals
[电] 数位讯号
🧩 词语组成解析
n. 信号( signal的名词复数 ); （无线电或电视所传送的）讯号; 标志; （尤指铁路和公路上的）指示灯\\nv. 发信号, 用信号传达, 用信号通讯( signal的第三人称单数 ); 发暗号; 示意
🗣️ 情景例句
That kind of thing.
等等。
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。