Ldcs
(ldc 的复数) abbr. less developed country 不发达国家; long-distance call 长途电话; leased directive circuits 一段时间指示电路; large document copier 大的文件复印机
🗣️ 情景例句
I should have saved some money.
我早该存些钱。
Let me talk to her over the phone.
让我在电话中和她讲些话。
But suppose the earth could be covered with sensors spaced one foot apart,
假设地球上可以布满传感器，每个相隔1英尺，