Mobilities
(mobility 的复数) n. 可动性, 流动性, 机动性\\n[化] 迁移率
🗣️ 情景例句
Thanks, Mom.
谢谢 ，妈妈。
Hold fast when you have it.
紧握你手中之物。
Looking at his watch, he saw that it was one o'clock, but the bell struck thirteen times before it stopped.
他一看表，才1点钟，可是那钟一边敲了13下才停。