Ybd
abbr. Y-branching device Y型分路器
🗣️ 情景例句
Crash dieting is not an advisable way to lose weight.
疯狂节食可不是减肥的好方法。
At ease.
休息。
Custom has not commonly been regarded as a subject of any great moment.
风俗一般未被认为是什么重要的课题。