an air-filled sac near the spinal column in many fishes that helps maintain buoyancy 同义词：swim bladder, float,
例句与用法
1.
In loess plateau , flat shovels were popular , and my shovel liked a flat pan , the paste of barnyard grass flour laid open around the shovel , at the edge the paste was emitting flashy air bladder , not for one minute , a battercake was finished 黄土高原用的是平板铁锹，宛如一只平底锅，稗子面糊均匀地向四周摊开，边缘冒着一瞬即逝的气泡，不到一分钟就煎成了一张煎饼。
2.
In all kinds of switches , thermo - optical switch , mems switch , liquid - crystal switch and air bladder switch are the trend of large - scale switch array , and lithium niobate electro - optical switches and electro - optical polymer switches are the trend of fast switches 在各种光开关中，热光开关列阵、微机械光开关列阵、液晶光开关以及气泡式光开关列阵由于集成度较大，因而将是大规模阵列光开关的发展方向。
您当前位置：