leech

n.

水蛭；蚂蟥；榨取他人脂膏者；〈古〉医师

v.

用水蛭吸血；依附并榨取；

复数：leeches过去式：leeched过去分词：leeched现在分词：leeching第三人称单数：leeches

1. A leech is a small blood-sucking worm and usually lives in water.
   水蛭是一种小型吸血虫，通常生活在水中。
2. I reject the notion that any user is a freeloader or a leech.
   我拒绝任何用户都是一个揩油者或者占他人便宜者这种看法。
3. The leech hangs about other people hoping to obtain money.
   那个吸血鬼依附于他人希望获得钱财。

Leech biology and behaviour
Neuronal control of leech behavior.
GLIA IN THE LEECH CENTRAL NERVOUS SYSTEM: PHYSIOLOGICAL PROPERTIES AND NEURON-GLIA RELATIONSHIP
A communicative grammar of English — Geoffrey Leech and Jan Svartvik
Principles of Pragmatics——By Geoffrey. N. Leech, Longman, 1983, Pp. xii, 250, ISBN O 582 55110 2
A neuron-silicon junction: a Retzius cell of the leech on an insulated-gate field-effect transistor.
Specific modalities and receptive fields of sensory neurons in CNS of the leech
Eglin-c, a polypeptide derived from the medicinal leech, prevents human neutrophil elastase-induced emphysema and bronchial secretor...
Cloning and expression of a cDNA coding for the anticoagulant hirudin from the bloodsucking leech, Hirudo medicinalis.
Basic Interests: The Importance of Groups in Politics and in Political Science by Frank R. Baumgartner; Beth L. Leech