(亦作l)
(pl. Ls 或L's)
1
- the twelfth letter of the alphabet英语字母表中第十二个字母。
1.1
- denoting the next after K in a set of items, categories, etc.L项, L类（一组项目、分类中的第十二位）。
2
- ( L) a shape like that of a capital L.L形：
in combination a four-storey L-shaped building.四层的L形建筑。
2.1
- （一般作ell）chiefly N. Amer. an extension of a building or room that is at right angles to the main part〈主北美〉（与建筑物或房间的主要部分成直角的）L形延伸部分。
2.2
- （一般作ell）chiefly N. Amer. a bend or joint for connecting two pipes at right angles〈主北美〉（连接两根管道的）直角形接合部。
3
- the Roman numeral for 50（罗马数字）50。
- ORIGIN: originally a symbol identified with the letter L, because of coincidence of form. In ancient Roman notation, L with a stroke above denoted 50.000.
1.1
- (in tables of sports results) games lost（体育成绩表中的）输掉的比赛。
1.2
- Chemistry laevorotatory.【化】同LAEVOROTATORY:
L-tryptophan.
左旋色氨酸。
1.4
- large (as a clothes size).同LARGE（服装尺寸）。
1.5
- Brit. (on a motor vehicle) learner driver.
1.6
- ( L.) Linnaeus (as the source of names of animal and plant species).同LINNAEUS（动植物命名系统）：
Swallowtail Butterfly Papilio machaon (L.,1758).
燕尾凤蝶（林奈氏分类, 1758）。
1.7
- lire.同LIRE.
1.8
- Luxembourg (international vehicle registration).同LUXEMBOURG（国际车辆注册）。