Current density
[化] 电流密度
🧩 词语组成解析
🗣️ 情景例句
Don't worry. The traffic is very heavy at this hour.
别担心。这个时间交通很拥挤。
He is planning his future already.
他已经在为将来做打算了。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。