他曾一度考察过在新斯科舍附近购买岛屿。He had once looked into buying his own island off Nova Scotia.实地考察时要穿过一条水流湍急的河。The field trip involved crossing a raging torrent.这艘船是为考察北极水域而特意设计的.This ship was designed expressly for exploring the Arc...
He began to feed in the spaghetti, carefully separating the strands.他开始放入意大利面，小心翼翼地将面一缕缕分开。These strands of molecules twine around each other to form cable-like structures.这些分子链彼此缠绕，形成缆线状的结构。He's trying to bring tog...