bract 的定义
Botany.
- a specialized leaf or leaflike part, usually situated at the base of a flower or inflorescence.
bract 近义词
等同于 leaf
更多bract例句
- The male flowers grow in catkins, each arising from a scaly bract, and have a green perianth.
- This bract, when dead, is bent near the middle and more or less twisted, with the edges curving toward the cluster of nuts.
- This bract has attracted a good deal of attention, and for a long time everybody wondered what could be its use.
- The little fruit is hung from a broad, flying bract, and as it very slowly sinks to the ground it solemnly turns round and round.
- That is because the pressure of the air acts on the flat bract just as it does on an aeroplane, and forces it to revolve.