| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024dam1 /dæm/USA pronunciation n., v., dammed, dam•ming. n. [countable] - Civil Engineeringa barrier to obstruct or control the flow of water, built across a stream or river:When the dam broke, the flood spread to the village.
- Civil Engineeringa body of water held back by a dam:You can go fishing and canoeing in the dam.
v. [ ~ (+ up) + obj] - Civil Engineeringto furnish with a dam;
obstruct or confine with or as if with a dam:to dam (up) a river; had dammed up his feelings.
dam2 /dæm/USA pronunciation n. [countable]- Animal Husbandrya female parent of a domestic animal, such as a horse, goat, or sheep.
WordReference Random House Unabridged Dictionary of American English © 2024dam1 (dam),USA pronunciation n., v., dammed, dam•ming. n. - Civil Engineeringa barrier to obstruct the flow of water, esp. one of earth, masonry, etc., built across a stream or river.
- Civil Engineeringa body of water confined by a dam.
- any barrier resembling a dam.
v.t. - Civil Engineeringto furnish with a dam;
obstruct or confine with a dam. - to stop up;
block up.
- Middle Dutch, Middle Low German, dam; akin to Old English for-demman to stop up, block
- Middle English 1275–1325
- 5.See corresponding entry in Unabridged impede, clog, check, choke.
dam2 (dam),USA pronunciation n. - Animal Husbandrya female parent (used esp. of four-footed domestic animals).
- 1250–1300; Middle English; variant of dame
(Carl Pe•ter) Hen•rik (kärl pē′ter hen′rik; Dan. kärl pā′tər hen′rik),USA pronunciation 1895–1976, Danish biochemist: Nobel prize for medicine 1943.
dam, - Weights and Measuresdekameter;
dekameters.
Collins Concise English Dictionary © HarperCollins Publishers:: dam /dæm/ n - a barrier of concrete, earth, etc, built across a river to create a body of water for a hydroelectric power station, domestic water supply, etc
- a reservoir of water created by such a barrier
- something that resembles or functions as a dam
vb (dams, damming, dammed)- (transitive) often followed by up: to obstruct or restrict by or as if by a dam
Etymology: 12th Century: probably from Middle Low German; compare Old Icelandic damma to block up dam /dæm/ n - the female parent of an animal, esp of domestic livestock
Etymology: 13th Century: variant of dame Collins Concise English Dictionary © HarperCollins Publishers:: Dam /Danish: dam/ n - (Carl Peter) Henrik (ˈhɛnrəɡ). 1895–1976, Danish biochemist who discovered vitamin K (1934): Nobel prize for physiology or medicine 1943
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