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まっすぐ, 真っ直ぐ, 真っすぐ, 真っ直, 真直ぐ, 真すぐ
1. straight (ahead), direct, upright, erect
2. straightforward, honest, frank
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