But even mulch has its limits. Natural resource specialists point out that weeds can be transported in mulch. This is also true of soil, grain, hay and animals.

但是，地膜也有其局限性。自然资源专家指出，杂草可以在地膜里传播，还可以通过土壤，谷物，干草和动物传播。

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It was then transported through the tree to the leaves, where concentrations are higher than in the twigs, trunk or surface soil.

被树根吸取的金子被输送到枝干和叶子中，金子在叶子中的密集度比在树枝、树干和表层土壤中都要高。

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In dredging Engineering, The underwater soil, cut and mixed with water, is usually sucked and transported to disposal area by a centrifugal slurry pumps.

在疏浚工程中，水下被挖掘的土质与水混合后，通常依靠离心泥泵抽吸并输送至排泥场。

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There is every reason to believe they will continue their jihad once they have been transported to U.S. soil where certain federal judges have signaled a willingness to confer upon them even more rights.

WSJ: Burlingame: Shoe Bomber Richard Reid Sues to Resume Jihad from Prison