stair head

同根派生

Generally speaking, this kind is adjusted can be in of stair head, two class have tip, and the middle keeps changeless.
一般而言，這種調整會在樓梯的首、末兩級進行，而中段保持不變。
Of alleged stair head, end pace, it is the footfall of the first class that connects with the ground, with the last class footfall with conterminous floor.
所謂樓梯的首、末步，就是與地麪相接的第一級踏步，與樓板相接的最後一級踏步。
She nestled her head on his shoulder.
她將頭依偎在他的肩上。
The child was sitting on the bottom stair.
那孩子正坐在樓梯最下麪的一級上。
The deer lowered its head to drink from the pond.
鹿低下頭去喝池塘裡的水。