Keyways
(keyway 的復數) n. 扁形鑰孔, 鍵溝\\n[化] 鍵槽
??? 情景例句
I ran into Stone at the supermarket this morning.
早上我在超級市場碰見世通了。
I often have supper at night.
我常常在晚上吃晚餐。
He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.
他發現了纏繞在16，000伏高壓線上的一條死蛇。