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空気， くうき
1. air, atmosphere
2. mood, situation
3. someone with no presence, someone who doesn't stand out at all
tbd
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目に見える， 眼に見える， 目にみえる， 眼にみえる， めにみえる
1. to be visible
2. to be clear, to be evident, to be certain, to be definite
tbd
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
