Serrasoid
锯齿波(调制)
🗣️ 情景例句
There's a lot of good things about suburban living.
郊区生活是有许多优点。
She was flattered at the invitation.
她受到邀请，不胜荣幸。
Apparently, there is a good deal of truth in this idea.
显然，这种说法里面包含着许多真实性。