duly
/ˈdjuːlɪ/adverb
1- in accordance with what is required or appropriate; following proper procedure or arrangement按要求; 适当地, 恰当地; 充分地; 正式地, 按程序（或安排）; 按时地：
a document duly signed and authorized by the inspector
一份按要求经检查员签署认可的文件
the ceremony duly began at midnight.
仪式按时于午夜开始。
1.1
- as might be expected or predicted不出所料地：
I used the tent and was duly impressed.
我使用了帐篷, 果然令我印象深刻。