每日口說挑戰 左撇子的意義竟然這麼深奧！

今日挑戰句子

And despite what many may think, handedness is not a choice. It can be predicted even before birth based on the fetus' position in the womb. So, if handedness is inborn, does that mean it's genetic?

而且，與大多數人所認為的相反，要用哪隻手不是我們選擇的。它甚至可由胎兒出生前在母體的胎位預測出來。那如果用哪隻手是與生俱來的，意思是那是遺傳的嗎？