Billisecond
毫微秒(十亿分之一秒)
🗣️ 情景例句
I'm ready. See you later, Marilyn.
我准备好了。Marilyn 再见。
Music is the medicine of the breaking heart.
音乐是医治心灵创伤的妙药。
Could I have this sample free of charge?
这样品可以免费送我吗？