earthworm

earthworm怎么读

英式音标：[ˈɜ:θwɜ:m]

美式音标：[ˈɜrθwɜrm]

earthworm基本解释

n. [无脊椎] 蚯蚓

earthworm的意思释义

n.

蚯蚓；

变形

复数：earthworms

英英释义

n.terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers

同义词：anglewormfishwormfishing wormwigglernightwalkernightcrawlercrawlerdew wormred worm

earthworm用法及例句

双语例句

用作名词(n.)

We can see earthworms on the ground after rain.

雨后我们在地上能看到蚯蚓。

例句参考

Observations on earthworm channels and infiltration on tilled and untilled loess soil

EXOTIC EUROPEAN EARTHWORM INVASION DYNAMICS IN NORTHERN HARDWOOD FORESTS OF MINNESOTA, USA

Ecosystem Consequences of Exotic Earthworm Invasion of North Temperate Forests

Effects of European earthworm invasion on soil characteristics in Northern hardwood forests of Minnesota, USA.

Characterization of potent fibrinolytic enzymes in earthworm, Lumbricus rubellus.

Influence of Earthworm Invasion on Redistribution and Retention of Soil Carbon and Nitrogen in Northern Temperate Forests

The influence of humic acids derived from earthworm-processed organic wastes on plant growth

Humic acids isolated from earthworm compost enhance root elongation, lateral root emergence, and plasma membrane H+-ATPase activity ...

Toxicological and biochemical responses of the earthworm Lumbricus rubellus to pyrene, a non-carcinogenic polycyclic aromatic hydroc...

earthworm词源

earthworm (n.)

c. 1400, erþe-worme, from earth + worm (n.). In this sense Old English had eorðmata, also regnwyrm, literally \"rain-worm.\" Old English also had angel-twæcce \"earthworm used as bait\" (with second element from root of twitch), sometimes used in medieval times as a medicament:

For the blake Jawndes take angylltwacches, er þei go in to the erth in the mornynge and fry hem. Take ix or x small angyltwacches, and bray hem, and giff the syke to drynke fastynge, with stale ale, but loke þat thei bene grounden so small that þe syke may nat se, ne witt what it is, for lothynge. [Book of Medical Recipes in Medical Society of London Library, c. 1450]

earthworm相关例句

1.Earthworm channels greatly aid root growth.

蚯蚓洞穴极有助于植物根系生长。

2.An earthworm is a terricolous organism.

蚯蚓是陆生的生物。

3.The hen raked up an earthworm.

母鸡扒出了一条蚯蚓。

4.In the earthworm and many other invertebrates, these excretory structures are called nephridia.

在蚯蚓和许多其它无脊椎动物中，这些排泄结构称为肾管。

5.The earthworm population had declined by 70%.

蚯蚓数量下降70％。

6.The oral opening in an earthworm is small.

蚯蚓的口是很小的。

7.A similar digestive organ found in certain invertebrates, such as the earthworm.

砂囊，胃，内脏在一些的无脊椎动物身上有类似的消化器官，如蚯蚓

10.Earthworm populations in arable soils in the United States may be destroyed by frost.

在美国可耕地中蚯蚓的种群会被冰冻所毁坏。