记忆方法
将“dam”与“暗”字联系，想象一座大坝隐藏在水中，表面平静但下方暗流涌动，从而帮助记忆这个单词的含义是“水坝”。
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词族 · dam
中文词源
dam 大坝
词源不详，可能来自Proto-Germanic*dammaz, 缝纫，修补。
英语词源
- dam
-
dam: [12] Dam, appropriately enough for a word related to the human control of water-courses, seems to have been borrowed from Middle Dutch dam. It appears to have been a fairly widespread West and East Germanic word, subsequently borrowed into North Germanic, but its ultimate source is not known.
- dam (n.1)
- "water barrier," early 14c., probably from Old Norse dammr or Middle Dutch dam, both from Proto-Germanic *dammaz (cognates: Old Frisian damm, German Damm), which is of unknown origin.
- dam (n.2)
- "animal mother," c. 1300, variant of dame (q.v.), also originally used, like that word, for "lady, mother;" but meanings diverged into separate spellings by 16c.
- dam (v.)
- late 15c., from dam (n.1). Related: Dammed; damming.
权威例句
- 1. Breaking the dam could submerge downstream cities such as Wuhan.
- 摧毁大坝可能会淹没下游城市，比如武汉。
- 2. The dam will stand 600 feet high.
- 大坝将高达600英尺。
- 3. A dam burst and flooded their villages.
- 堤坝决口，淹没了他们的村庄。
- 4. Building a dam here could have unforeseeable consequences for the environment.
- 在这里修建水坝可能会对环境造成无法预料的后果。
- 5. They built dykes and dam to hold back the rising flood waters.
- 他们修筑了堤坝来阻挡上涨的洪水.