1.The rooms were acrawl with the small cleaning animals, all rubber and metal.

1.橡胶，金属清洁动物在房间里碌着。

2.Even at this hour it was acrawl with men, builders pushing up a new switchback stair to join the remnants of the old.

2.即使它现在上面挤，工匠正将新梯子接到旧上。