立彬の日本語
原爆は人類にとって重大な脅威だ。
tbd
The atomic bomb is a grave threat to mankind.
328
-----------------------------------
原爆， げんばく
1. atomic bomb, A-bomb
tbd
-----------------------------------
人類， じんるい
1. mankind, humanity
tbd
-----------------------------------
にとって， に取って
1. to, for, from the standpoint of, as far as ... is concerned
tbd
-----------------------------------
重大， じゅうだい
1. serious, important, significant, grave, weighty
严肃的、重要的、重大的、严重的
-----------------------------------
脅威， きょうい
1. threat, menace
威胁
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调