I like to use pencils with erasers on top.我喜欢用带橡皮的铅笔.There are some books, pens, erasers and so on in my bag.我的书包里有书 、 笔 、 橡皮等等.Here are new erasers in all colours and shapes.这些是五颜六色的各式各样的新橡皮....
HfO _ 2 antireflection coatings with a transmissivity of 99.9 % has been fabricated on bottom emitting VCSEL.在大功率垂直腔面发射激光器(VCSEL) 出光窗口镀制了HfO2增透膜,其透过率达到99.9%.All surfaces are provided with highly reflective coatings.所有表面上...
Bindweed ran up the stems of the corn.旋花缠绕着玉米杆往上长.The flexible twining or climbing stem of certain plants, such as the hop, woodbine, or bindweed.细长柔韧的枝或嫩条(尤指柳或一些藤茎植物), 用于枝编工艺....