ChristopherMaynard

為什麼我們會笑? : = 趣味小常識 / . 身體篇 by: ChristopherMaynard; 招貝華 (Language materials, printed)

為什麼斑馬身上都是黑白相間的條紋? : = 趣味小常識 / . 顏色篇 by: ChristopherMaynard; 招貝華 (Language materials, printed)

為什麼火山會爆發? : = 趣味小常識 / . 地球篇 by: ChristopherMaynard; 招貝華 (Language materials, printed)

為什麼天空會有閃電? : = 趣味小常識 / . 天氣篇 by: ChristopherMaynard; 招貝華 (Language materials, printed)

為什麼鳳梨會有那麼多刺? : = 趣味小常識 / . 食物篇 by: ChristopherMaynard; 招貝華 (Language materials, printed)

為什麼會有不同的季節變化? : = 趣味小常識 / . 時間與季節篇 by: ChristopherMaynard; 招貝華 (Language materials, printed)

為什麼會有海浪? : = 趣味小常識 / . 水資源篇 by: ChristopherMaynard; 招貝華 (Language materials, printed)