YӍ}ɽꖅ^(q)иF(xin)ڶX
ɽꖅ^(q)иǽɽꖅ^(q)иӖWУcI(y)֪иӖC(gu)Ӗ֪Ʒƣɽꖅ^(q)иӖWУYۺȫоO(sh)зУWУgӭļ롣
ɽꖅ^(q)иӖWУֲнŅ^(q),վ^(q),R^(q),ɽꖅ^(q),,,h,ۿh,h,ؿhȵ,ǽИOӰиӖC(gu)
B:@ʲô˵܇Ҫ°l(f)әCĕrɢܣҵ܇һ
asymmetrical [esmetrkl] a. ģQģunbalanced, uneven
Each of the satellites is constantly sending out signals, and each signal contains important information that can be used to determine the longitude, latitude and elevation at any point on the earth's surface. ÿwl(wi)Ƕһֱl(f)̖ÿ̖ҪϢ@ЩϢÁ_κһcĽ(jng)Ⱥͺ
a good dealof Sࣻdeal with ̎deal in (jng)I
Members of congress have to spend most of their time in Washington taking care of their legislative duties. hT֕rgҪAʢD؟
alkali [lkla] n. A
H. D.'s industry and literary achievement are lust beginning to be recognized and appreciated. HDڊ^ČWɾ_ʼõ˂JɺpR
ӛ~ӛex⣩ternalⲿ
~RnjWӢZĻʯǑ(yng)пԇP(gun)I
survive[svav] vi. Ҵ
heading [hedalt] n. }
ɡdeceptivea. _Եģ
ӛ~ӛradi⾀atel(f)⾀l(f)ݗ
ӛ~ӛcatcad£astroǣpheljyR^(zi)y
Scientists think dolphin has
ɡbriefingn. (zhn)ָʾbrieflyad. Ҫ̵أ
ɽꖅ^(q)иӖWУɾĉ֮Wи́ɽꖅ^(q)иӖWУ
ӖԃԒc(c)xMԃ