Ncds
[医][=National Cooperative Dialysis Study]全国透析研究协作组织
🗣️ 情景例句
She makes a good living as an author.
她靠当作家过着优裕的生活。
Super fun.
很好玩的。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。