Dcr
abbr. 丽比技术（Dynamic Contrast Ratio）；设计改动要求（Design Change Request）；数字转换接收器（Digital Conversion Receiver）；关门检测继电器
🗣️ 情景例句
It is important to speak directly and clearly about your subject.
直接了当且明白清楚地说明自己的目的是很重要的。
Button holes are very hard to sew.
要缝钮扣洞非常难。
A temporary rudder was made on board from spare planks and it was fitted with great difficulty.
船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，