Dmca
abbr. Digital Millennium Copyright Act （美国）数字千年版权法案
🗣️ 情景例句
Hi.
你好！
I want to make a long distance phone call.
我是想打个长途电话。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。