【長文禁止】2ch英語→日本語part186【5行まで】at ENGLISH【長文禁止】2ch英語→日本語part186【5行まで】
- 暇つぶし2ch48:名無しさん@英語勉強中 09/05/26 18:37:22 It separates tangentially near the start of the convex surface, remaining laminar for the distance to which the dark line persists, and then becomes unstable and turbulent.