certificate of value

travel documents

identification papers; ID; piece of identification; identity document

birth certificate

proof of qualification

place or building where stores public records; archive

study aid; study reference

“a hundred days of sermonizing, one fart” → a metaphor for how something that one has put great effort into can come to nothing after even a slight mistake, much as a hundred days of serious spiritual study can be lost to the winds

重水素: heavy hydrogen

一日中: all day, throughout the day, sunrise to sunset, all around the clock