L2英语原文释义、词形变化、词源和词汇关系

A second language (a language being learned, as opposed to a mother tongue).

— That is, for almost all late second language (L2) learners, the phonetic realization of phonological structures in the L2 is markedly different from native-language patterns.

Abbreviation of Lagrange point 2, located beyond the smaller object on a line passing through the centers of the smaller and larger objects. abbreviation,alt-of

— Unlike the Hubble telescope, which orbits a few hundred miles above the Earth’s surface and is relatively accessible for servicing missions, the JWST will be located at what is called the L2 point, a location about a million miles farther away from the sun than the Earth.

Short for second level in various contexts; The second-level cache of a processor, farther away from the processor than the first level cache. uncountable

— In typical Intel chips L2 bandwidth is half of L1 bandwidth.

Short for second level in various contexts; The data link layer in the seven layer OSI network model. uncountable

— an L2 switch