请输入您要查询的英文单词:
单词
bract
释义
bract
英
/ br?kt /
美
/ br?kt /
简明释义
n.
[植] 苞;[植] 苞片
GRE
/
网络释义
短语
1
perichaetial bract
植
雌苞叶 ;
植
雌器苞片
2
perigonial bract
植
雄苞叶 ;
植
雄器苞片
3
involucral bract
总苞叶
双语例句
1
Raceme rachis and pedicels pubescent or puberulent ;
bract
and bracteole usually borne on distal 1/2 of pedicel.
总状花序轴和花梗具短柔毛或微柔毛;苞片和小苞片通常生于花梗上部的1/2。
2
Red light could increase the ornamental value of flower, flower diameter,
bract
area, content of cyanidin were all increased.
红光能提高花头的观赏品质,使花径、苞叶面积、花青素含量增加;
3
The resistance of frego
bract
cotton was neutral, but insecticideamount on its green boll surface increased by4.9—10.0 times.
窄卷苞叶对红铃虫的抗性表现为中性,但可提高杀虫剂在棉铃表面的分布量4.9—10.0倍。
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更新时间:2025/10/5 17:31:42