Your peripheral vision may not be all that good for watching a fast moving table tennis ball onto a relatively small racket head.
將某一日期的表示方法，從日期序列數形式，轉換成它所在月份中的序數（即某月第幾天）。
The effects of the shapes and dimensions of table tennis bat on table tennis ball head on impact probability have been investigated by an analytical method of probability function.
At the center of the picture are two black circles, which correspond to the volume of two table tennis balls.
Flowers the size of a table tennis ball, five long curly petals, powder and white interwoven, such as splashed together two kinds of pigments.
On the roof of the brick house, the owls and the owls raised their smoke. Under the trees, the children played table tennis balls from the tables on the cement board, and the laughter and laughter filled the whole country.
Orange trees are not afraid of hot weather. In summer, they are also pregnant with small life. The trees are covered with oranges the size of table tennis balls.
A discussion on the all-in-one of receiving after changing"small"table tennis ball to the"big one"
Familiar man-sized "particles" include bowling balls, golf balls, and table tennis balls.
A celluloid ball(i. e, a table tennis ball) has the permeability for helium and may be used as a soil helium gas collector when burried in the soil.
