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- grey tropical soil 灰色热带粘
- The Tropical Soil Biology and Fertility Institute in Nairobi, Kenya will manage the project. 位于肯尼亚，内罗毕的热带土壤生物学和肥力研究所负责该项目。
- Nkrumah M, Griffith S M, Ahmad N. Lysimeter and field studies on 15N in a tropical soil [J]. Plant and Soil, 1989,114: 13-18. 北京农业大学.;农业化学(总论)(第二版)[M]
- Yang, J.C., J.H.Huang, Q.M Pan, J.W.Tang, X.G.Han. 2004.Long-term impacts of land-use change on dynamics of tropical soil carbon and nitrogen poois. 杨景成;黄建辉;唐建维;潘庆民;韩兴国.;2005
- They sustained this dense settlement through raised field agriculture,a technique that improved drainage and recycled nutrients in the poor tropical soil. 他们通过高地农业维持着人口密集的居住地的生存。高地农业技术可以改善贫瘠的热带土壤的排水和养分的循环利用。
- They sustained this dense settlement through raised field agriculture, a technique that improved drainage and recycled nutrients in the poor tropical soil. 他们通过高地农业维持着人口密集的居住地的生存。高地农业技术可以改善贫瘠的热带土壤的排水和养分的循环利用。
- La Beilin said: "This new ant species living in a stable environment in tropical soil, ants and other potential competition between the less, they live in a climate of relative stability in the small. 拉贝林说：“这种蚂蚁新品种生活在环境稳定的热带土壤中，与其他蚂蚁之间存在的潜在竞争更少，它们生活在一个相对稳定的小气候中。
- Life seems grey and joyless to them. 对他们来说生活是灰色的、不快乐的。
- She covered the bed with an old faded grey blanket. 她在床上铺着褪了色的灰色旧毯子。
- Have you any grey pullovers in stock? 你们有灰色套头毛衣的现货吗？
- The landscape was grey and stark. 景色灰暗荒凉。
- Tropical plants abound in the jungle. 丛林中有大量的热带植物。
- Mr Grey bought his camera on approval. 格雷先生买这架照相机，包退包换。
- My black hair have turn completely grey. 我的黑发已全部变成灰色。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- These tropical flowers have bright colors. 这些热带花卉颜色很艳丽。
- Is Singapore a tropical country? 新加坡是热带国家吗？
- A grey squirrel is scampering from limb to limb. 一只灰色的松鼠在树枝间跳来跳去。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- Today, the canopy of the heavens is grey. 今天的天幕是灰色的。
