At the end of the first trimester, the fetus is about three inches long.

在怀孕的第三个月末，胎儿差不多有三英寸长了。

《柯林斯英汉双解大词典》

Now his largest oysters are over three inches long.

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Trading standards officers seized a haul of knives, including kitchen knives, craft knives and carving sets with blades ranging from three to eight inches long.

BBC: NEWS | UK | England | Derbyshire | Shops warned over knife sales

Perhaps best of all, the camera is under 4-inches long, an inch-and-three-quarters wide, and half-an-inch in depth.

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