Dema
abbr. 美国数据录入管理协会（Data Entry Management Association）；柴油发动机制造商协会（Diesel Engine Manufacture's Association）；世界潜水器材展；马来西亚青年与学生民主运动
🗣️ 情景例句
You bet!
当然！
All measurements of each case must not exceed 1.5m*1m*1m.
每只木箱体积不应超过1。5m*1m*1m。
I'm afraid that it's not going to work out.
我恐怕这事不会成的。