ruderal

英式音标：['ru:dərəl]

美式音标：['rudərəl]

词义：

n.

杂草；

adj.

杂草丛生的；

用法：

权威例句

Ruderal vegetation along some California roadsides

Does a ruderal strategy dominate the endemic flora of the West African forests

The Ecology of Hordeum Murinum L.: II. The Ruderal Habit

Ultraviolet-B radiation effects on the Mediterranean ruderal Dittrichia viscosa

Allelopathic potential of Eupatorium adenophorum, a dominant ruderal weed of Meghalaya

The phenolic acids of Lithospermum ruderale II. Carbon-13 nuclear magnetic resonance of lithospermic and rosmarinic acids

Impacts of Recreation Trails on Exotic and Ruderal Species Distribution in Grassland Areas Along the Colorado Front Range

Effects of elevated soil copper on phenology, growth and reproduction of five ruderal plant species.

Variation Among Populations of Xanthium strumarium (Compositae) from Natural and Ruderal Habitats

Diversity and abundance of bees (Hymenoptera: Apiformes) in native and ruderal grasslands of agriculturally dominated landscapes

同义词：weed,fireweed

造句：

1. Electronic equipment quickly becomes obsolescent.

电子设备淘汰得很快.

来自辞典例句

2. This word is now obsolescent.

这个字现在已废弃不用了.

来自辞典例句

3. This type of computer is obsolescent.

这类计算机是快要过时的.

来自互联网

4. Horse carriages are obsolescent.

马车已经过时.

来自互联网

5. Through man's spirit of ingenuity he has made himself obsolescent as a worker.

人的聪明才智使他自己变成了过时落伍的工人.

来自互联网

[ obsolescent 造句 ]