Dtc
abbr. （美国）国防技术中心（Defense Technical Center ）；按成本设计（design to cost）；直接为消费者提供的（direct to consumer ）；技术合作部（Department of Technical Cooperation）
🗣️ 情景例句
OK. I'll be back in a few minutes.
好，过几分钟我就回来。
She had to keep out of sight when her husband was holding a meet.
她在丈夫举行会议时只得避不露面。
One lady brought in a biscuit on a wheelbarrow.
一位女士用手推车运来一个饼干，