Rhythm methods
[医] 安全期避孕法
🧩 词语组成解析
n. 方法, 方式；研究方法（method的复数）
🗣️ 情景例句
Take heart, we'll find a way out.
振作起来，我们会有办法的。
A light purse makes a heavy heart.
曩中无钱心事重。
Well, it's getting late. I must be off now. Nice to meet you.
好啦，时间不早了。我得走了。见到你很高兴。