left-hand基本解釋
形容詞左手的; 左邊的，左側的
left-hand詞典解釋
1. 左手邊的；左邊的；左側的
If something is on the left-hand side of something, it is positioned on the left of it.
e.g. They drive on the left-hand side of the road...
他們靠公路左邊行駛。
e.g. The keys are in the back left-hand corner of the drawer.
鑰匙放在抽屜里面左邊一角。