晴れた日に干したふとんをパンパンと()気持ちがいい。
A. つつく
B. はたく
C. はじく
D. はたす
查看答案
A vessel traveling down a narrow channel,especially if the draft is nearly equal to the depth of the water,may set off the nearer side. This effect is known as().
A. smelling the bottom
B. squatting
C. bank suction
D. bank cushio