It was very strong, made of three solid planks of wood.

它非常结实，是用三块厚木板做成的。

《柯林斯英汉双解大词典》

It's on a low bridge near the water, solid wood planks, nice and wide, hand railings made out of solid wood, and you can cross the bridge that way.

另外一座桥离水面近，实木板材质的，又结实又宽，扶手，也是实木材做的，通过这座桥也可以过河。

youdao

It's on a low bridge near the water, solid wood planks, nice and wide, hand railings made out of solid wood, and you can cross the bridge that way.

另外一座桥离水面近，实木板材质的，又结实又宽，扶手,也是实木材做的，通过这座桥也可以过河。

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