N-COUNT On a golf course, a sand trap is a hollow area filled with sand, which is put there as an obstacle that players must try to avoid. (高尔夫球场上的)沙坑障碍 [美国英语]
Besides being slow (top speed 0.2kph) and at risk of sand traps, wheeled rovers like Spirit and Opportunity have other limitations.
除了行驶速度慢（最高时速200米）和有陷入沙中的危险，勇气号与机遇号有其他缺陷。
Her hosts held a festive celebration, then showed her the dam, an eight-foot-high sand-and-concrete structure that traps and filters water so that it's available and drinkable year-round.
接待她的主人举行了节日庆典，然后，带她看了水坝——八英尺高的沙和混凝土结构，圈住并过滤能够全年供应的饮用水。
The existence of vast area of tight sand rock, low permeability of sand rock and plenteous gas supply are all favorable conditions for the formation of deep basin gas traps.
大面积致密砂岩的存在、砂岩的低渗透性以及充足的天然气供应都是形成深盆气藏的有利条件。
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