Climbers can strap sharp nails on to help get a foothold on a slippery slope.
登山运动员可以在靴子上捆上尖钉,这样有助于在很滑的陡坡上站住脚。
The climbers strapped on a variety of equipment .
登山运动员背上了各种装备。
She straps on a wrist-watch.
她戴着一只手表。
The soldiers' great coats were strapped on their packs.
战士们的厚大衣扎捆在背包上。