arc是什么意思？

Asian-American parents arc enthusiastic supporters of the competitive instrumental music program.

There are some very commendable characteristics of the CFL [compact fluorescent ( ' , 荧光的 ) light bulb], yet the selection of any light source remains inseparable from the luminaire ( ' , 照明装置 ) that houses it, along with the space in which both arc installed, and lighting requirements that need to be satisfied.

Laura Hamilton, the author of a study on parents who pay for college, will argue in a forthcoming book that college administrations arc overly concerned with the social and athletic activities of their students.

They don't realize how typical their experiences arc.

Extreme weather and reckless development arc plotting against the rain forest in ways that scientists have never seen.

Such features arc easily written into the software.

There are some very commendable characteristics of the CFL (compact fluorescent light bulb), yet the selection of any light source remains inseparable from the luminaire that houses it, along with the space in which both arc installed, and lighting requir

This form of "self- governance" is possible within long-standing amateur organizations that, over time, arc able to build a sense of responsibility to community members, as well as society in general.