Firs, spruces and pines are conifers.冷杉 、 云杉和松树都是针叶树.Sarvas discusses the nature of the " lethal load " in conifers.萨维斯 讨论了针叶树的致死的基因性质.The xylem of ferns and conifers contains only tracheids.蕨类植物和针叶树的木质部仅含有管胞....
Our Mission: We help our clients build confidence and competence to success in the English world.我们的使命: 帮助我们的学员在英语世界中建立自信培养能力以获得成功.And finally, you have to build confidence -- pouring out encouragement, caring, and recog...
" That's Mammy gettin'the water to sponge off the young Misses." 那是嬷嬷在打水,要来给两位姑娘擦身了.Will this mark sponge off?这污渍能用海绵擦洗掉 吗 ?His personality changed and they both began to sponge off me big time.他的个性发生了改变,他们两个开始...
光线用棱镜 、 光栅或干涉仪分解.The light is resolved by prisms, gratings, or by an interferometer.光栅摄谱仪有两种类型.The grating spectrograph is built in two designs.光栅由金属或丝制造.The grating are made of rods or wire....