He started to leave the room, tripping over a loose seam in the slatternly carpet.

他打算离升屋子，却在松垮垮的地毯一条绽开的缝上绊了一下。收藏。

youdao

Methods to define the laneways loose zone of thick coal seam with enriched gas and spontaneous combustion is studied in the article and define the rational the length of sealed borehole.

研究了铜川矿务局下石节煤矿高瓦斯油气共生易自燃厚煤层巷道松动圈的范围，确定合理封孔长度。

youdao

It all looks nice at a passing glance, but as we gazed more closely, we noticed some wavy stitching in places on the dash, a loose seam on one of the sun visors and a number of pieces made from somewhat cheap-feeling plastic.

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