Duly authorized
[法] 经正式授权的
🧩 词语组成解析
duly
['dʊli]
adv. 及时，按时;适当地;充分地;
authorized
['ɔ:θəraizd]
adj. 权威认可的，审定的，经授权的;
v. 授权，批准，委托( authorize的过去式和过去分词 );
🗣️ 情景例句
Who's the valedictorian of this class?
谁是班里优秀的毕业生？
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。