flap

• As the tide made, it flapped heavily at irregular intervals against the shore .
  潮水在涨，没准儿隔多大工夫，就会掀起一阵波浪拍岸，澎湃有声。
• When i first came , i had to flap my arms like wings if i wanted to buy chicken .
  我刚来时，如果我要买鸡肉，就必须把我的手臂象翅膀一样地鼓动。
• They were flapping their bat-like fins before dropping back into the water with a terrific splash .
  它们拍打着蝙蝠般的鳍，然后随着令人恐惧的溅水声掉进了水中。
• Yet she had evidently nothing of the fluttering, flapping quality of a morsel of bunting in the wind .
  不过，在她身上，找不到一点迎风招展、随风飘舞的旗子的性质。
• The sole flapped off one boot, and he tied it to the upper with a piece of string from his pack .
  一只靴的底脱落了，他只好从背囊上扯下一条绳子，把靴底跟靴面绑紧。
• The wake survey cannot be used to measure the drag of stalled airfoil or of airfoils with flaps down .
  尾流测量不能用来测量失连状态下的冀型或襟翼偏转后的翼型阻力。
• The scranton flap was put behind us, but the hard rock of the middle east impasse remained .
  斯克兰顿闯的这场乱子是过去了，但是，中东僵局象一块坚硬的岩石屹立未动。
• Scobie watched the bearers go slowly up the hill, their bare feet very gently flapping the ground .
  斯考比看着担架夫慢慢地爬上小山，他们赤裸的脚板在地面上轻轻地拍打着。
• I had a great high shapeless cap, made of a goat's skin, with a flap hanging down behind .
  我头上戴着一顶山羊皮做的、不成样子的、又高又大的便帽，脑后垂着一块长长的帽缘。