clamber
verb [ I usually + adv/prep ] uk/ˈklæm.bər/ us/ˈklæm.bɚ/
（手脚并用费力地）攀登，攀爬
to climb up, across, or into somewhere with difficulty, using the hands and the feet
They clambered over/up the rocks. 他们攀上了岩石。
I clambered into/onto the bus. 我挤进了公共汽车。
She clambered into bed. 她爬上了床。