求翻译：新加坡国土面积小、自然资源匮乏，受地形、河流等因素制约，农业耕地面积小，粮食依赖进口，甚至连淡水也主要靠从国外引入是什么意思？

Singapore's small size, natural resources, terrain, rivers and other factors, agricultural land area is small, dependent on food imports, and even fresh water is introduced from abroad, mainly by

The small and natural resources of Singapore national territory area is short of, being subjected to the factor check and supervisions, such as geography and river...etc., the agriculture farmland area is small, the food dependence import, even the fresh water is also main to depend to lead to go in

The Singapore national territory area small, the natural resource is deficient, factor restrictions and so on the terrain, rivers, the agriculture cultivated area is been small, grain dependence import, even links the fresh water also mainly to depend on from the overseas introduction

Singapore land and small size, lack of natural resources, factors such as terrain, rivers, agricultural cultivated area is small, dependent on imports of grain, even fresh water is largely introduced from abroad

Singapore's small size, natural resources, terrain, rivers and other factors, agricultural land area is small, dependent on food imports, and even fresh water is introduced from abroad, mainly by