undulate

英 ['?ndj?le?t] 美['?nd??'let]

TEM8IELTSGRE低頻詞擴展詞匯

第三人稱單數:?undulates;過去式:?undulated;過去分詞:?undulated;現在分詞:?undulating;

1. und- + -ul- (diminutive affix) + -ate.
2. => wavy.
3. same PIE base words: vodka, water, wet, otter.

undulate 波動

來自拉丁語unda, 水，水波，詞源同abound,inundation,water, 字母w脫落。

undulate: undulate: [17] Undulate goes back ultimately to Latin unda ‘wave’, source also of English inundate [17], redundant, and surround. This in turn was descended from the Indo-European base *ud-, which also produced Greek húdōr ‘water’ (source of the English prefix hydro-), and variants of which lie behind English vodka, water, and wet.
=> abound, inundate, redundant, sound, surround
undulate (v.): "to move in waves," 1660s, back-formation from undulation. Related: undulated, undulating.

1. As we travel south, the countryside begins to undulate as the rolling hills sweep down to the riverbanks.: 我們一路南行，鄉間開始變得起伏不平，綿延的山巒一直延伸到河岸。

2. To undulate more freely, keep you hands about shoulder width apart.: 要波動的更自由些, 保持你的手與肩膀同寬.

3. The species is characterized by its long and lanceolate leaflets with undulate teeth.: 本種以它的長和披針形的小葉具波狀的齒為特點.

4. Put forward disposal idea and prevent measurement for quality abnormity undulate appears in entire produce process.: 對生產全過程出現的質量異常波動提出處理意見和預防糾正措施.

5. The way of reckoning for power supply now, makes the linerate undulate greatly at different period.: 目前的供售電結算方式, 使供售電量不同期,線損率大幅波動.