Cots
abbr. 检测设备Checkout Test Set；集装箱卸货与传输系统；Container off-loading and Transfer System；商用货架产品Commercial off-the-shelf
🗣️ 情景例句
Goodbye, thanks for inviting me. I had a lovely time.
再见，谢谢您的邀请。我度过了一段美妙的时光。
A contented mind is perpetual feast.
知足常乐。
Merry Christmas and best wishes for the New Year!
圣诞快乐，并致以新年的良好祝愿！