词族 · trefoil
词形变化
中文词源
trefoil 三叶植物，三叶形装饰图案
tre-,三，-foil,叶子，词源同 foil,foliage.引申诸相关词义。
英语词源
- trefoil (n.)
- late 14c., type of clover, from Anglo-French trifoil (13c.), Old French trefueil "clover, clover-leaf," from Latin trifolium "three-leaved plant," from tri- "three" (see tri-) + folium "leaf" (see folio). As a type of ornamental figure in medieval architecture, early 15c.
权威例句
- 1. Rumour is already rife here as to Dr. Trefoil's successor.
- 关于特雷福伊尔博士的继任人,此间已经谣言蜂起.
- 2. They say Dr. Trefoil is very rich.
- 人家说,特雷福伊尔博士很富裕.
- 3. Single core cable shall be installed in either trefoil or flat formation and secured using cleats.
- 单芯电缆可以用三叶草法或者平直法植入.并用夹板固定.
- 4. Trefoil key pendant in sterling silver. 2.25 " long. Chain sold separately. "
- 纯银三叶草钥匙吊坠. 2.25 英寸长. 可单独出售项链.
- 5. The point of intersection of arcs or curves , such as the inner points of a trefoil.
- 线交叉集合之点或一个形体中与底层相对的点.