比如说，蚱蜢的脂肪含量只有牛肉的三分之一，而田鳖的铁含量是牛肉的四倍。
For instance, grasshoppers contain just one-third of the fat found in beef, and water bugs offer almost four times as much iron.
田鳖家族绝大多数成员体型通常较大，与世界上一些体形最大的昆虫较为接近。
Most species in the Belostomatidae family are relatively large and nearly reaching the dimensions of some of the larger beetles in the world.
这只三英寸长，有着一副宛如家里蟑螂一般的尊容的南亚大水虫，或者叫它田鳖，仅仅是食虫菜单上的许多道菜之一。
The giant water bug, or Lethocerus indicus, a three-inch-long South Asian insect that looks uncannily like a local cockroach, is just one of the items on the menu of this bug-eating bacchanal.
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