floating log的用法和樣例：
例句
- I reached for a floating log with my foot.
我伸腳去鉤取一段漂浮著(zhù)的木頭。 - A barrier composed of a chain of floating logs enclosing other free-floating logs, typically used to catch floating debris or to obstruct passage.
欄障一種由一連串浮木連著(zhù)別的自由浮木而成的障礙物，特別用于攔截漂浮殘骸或阻止通行
