Chains are more durable than rope, but also more dangerous if the horse panics and pulls them out of the wall.
链条比绳更耐用,但如果马惊慌时将链拉出墙,也会更危险。
They will not only largely influence the ecological balance of the sea, but also can spread some more dangerous illnesses.
它们不仅会在很大程度上影响海洋的生态平衡,还会传播一些更危险的疾病。
But a more dangerous material, plutonium, has also been found in soil near the power plant.
但在福岛核电站附近土壤中发现了一种更加危险的物质——钚。
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