Ulf
n. 超低频
🗣️ 情景例句
Spring is the season for romance.
春天是浪漫的季节。
Please don't make a smell in the house with your cigar.
请不要在屋子里散布雪茄的气味吧。
It's nothing to be surprised about.
这事不值得大惊小怪。