The correlation between potassium and nicotine content of leaves were negative.
这说明在烟叶的全生育期内,烟叶钾含量增加时,烟碱含量是减少的.
来源:期刊摘选Death is never welcome , as it leaves behind sorrow agony and wounds that never heal.
当这位残忍的访客过后,遗下给人的便是悲伤、哀恸 、 难过和无法填补的创伤!
来源:互联网摘选In their underground nests they cultivate gardens on soil made from finely chopped leaves.
在它们的地下巢穴里,它们在精细粉碎的树叶形成的土壤上耕耘菜园.
来源:中级百科部分Shanqian lying sea bridge view boundless, a mountain villa pavilion, hidden in green leaves.
山前大海横陈,极目无际, 山中一幢幢别墅楼阁, 掩映在万绿丛中.
来源:互联网摘选The tourists have been picking leaves and cutting their names on the tree-trunk.
游客们不断地采摘树叶,把名字刻在树干上.
来源:词典精选例句The autumn was quiet and cold The street was covered with fallen leaves.
深秋寂冷,落叶满街,我心潮起伏,酸甜苦辣,说不出来是什么滋味.
来源:互联网摘选The thick along the river flamed with sharp and positive yellow leaves.
河边上密密麻麻的柳丛上的黄叶颜色鲜浓,象着了火似的.
来源:互联网摘选These leaves arise from an underground stem-rhizome-from which also extend the roots.
这些叶都由地下茎(根茎)产生,地下茎也有根.
来源:词典精选例句
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