机械类词汇大全-21

841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、

VOA慢速英语2014 Hoverboards Ignore Gravity

Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part

跟艾米莉一起学口语 第40期:变成

change into把...变成... You can't change iron into gold. 你不能把铁变成金。 I want to change dollars into pounds. 我想把美元换成英镑。 A:Yesterday I bought a sweater from your store.and I'm afraid it's too small for.so I want to

机械类词汇大全-36

1471 、 实践计划 realization 1472 、 对比 contrast 1473 、 对流 convection 1474 、 对接 butt 1475 、 对接合；对接榫 buttjoint 1476 、 对接角榫 buttmitredjoint 1477 、 对接焊

口译考试中需要强记的词组

捕鱼量the volume of fishing 造纸业paper-making industry 木材储量timber reserves 森林覆盖面积forest-covering area inward investment 对内投资 entrepreneurship创业精神 pay tribute to 表示敬意 subsidies and grants津贴和拨款

旅游口语情景对话 第25天:如何询问旅行路线

第一句：What kind of tour do you have? 你们有什么样的旅行路线？ A: What kind of tour do you have? 你们有什么样的旅行路线？ B: We offer many kinds of tours. 我们提供多种路线。 第二句：What can I see on the tour

英语听力：自然百科 地球力场 Earth's Force Field—16

During its magnetic cycle, the Sun undergoes periodic changes in activity. Every 11 years, it enters solar maximum. This 11 years cycle of solar activity has peaks where theres lots of solar storms. And right now where the sun is taking a little napp

英语听力：自然百科 地球力场 Earth's Force Field—12

Six years later, they come to believe these light flashes are the results of high energy, heavy cosmic rays penetrating the spacecraft and the crew members' eyes. These/ protons or electrons, just very, very high energy, ripped / part of atoms, sprin

英语听力：自然百科 地球力场 Earth's Force Field—15

By analyzing thousands of lava samples, geophysicists discover/ that the Earth's magnetic field has reversed over 18,000 times in the last 20 million years. On either side of these reversals is a long period of dramatically reduced field strength. Du

英语听力：自然百科 地球力场 Earth's Force Field—5

If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an

英语听力：自然百科 地球力场 Earth's Force Field—3

In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati

英语听力：自然百科 地球力场 Earth's Force Field—4

Scientists believe that the South Atlantic Anomaly, is a sign of a global decline in the magnetic field. Evidence of this comes from a surprising source. Dr. Mimi Hill uses pottery to uncover the secrets of earth's magnetic past. Ancient pots tell us

英语听力：自然百科 地球力场 Earth's Force Field—8

Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen

英语听力：自然百科 地球力场 Earth's Force Field—9

As the vast sphere reaches / maximum speed, something incredible happens. Huge lines of magnetism arc in and out of the model core. Well, we can't see the magnetic field coming out of the experiment, we can measure them, we can put many different mag

英语听力：自然百科 地球力场 Earth's Force Field—10

Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is

交通工具之船体方面的词语

bulk head 散货船 cross deck 过桥甲板 tugboat 拖船 freeing-port 舷墙上的流水孔 barge 驳船 dead weight 载重量 oil tank 油船 tonnage 吨位 container vessel 集装箱船 stern 艉部 pusher 推论 sterm frame艏柱 ferry 轮渡 mi

英语词汇分类：冶金英语词汇

iron and steel industry 钢铁工业 ironworks 铁厂 foundry 铸造车间 steelworks, steel mill 钢厂 coking plant 炼焦厂 electrometallurgy 电冶金学 powder metallurgy 粉末冶金学 blast f

工程词汇中英文对照

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

英语听力：自然百科 金星和水星旅行指南 Venus and Mercury-7

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

机械英语词汇（二）

机械英语词汇（二）生产类 PCS Pieces 个(根,块等) PRS Pairs 双(对等) CTN Carton 卡通箱 PAL Pallet/skid 栈板 PO Purchasing Order 采购订单 MO Manufacture Order 生产单 D/C Date Code 生产日期码 ID/C Identification Code (供应商)识别码 SWR Special Work Reque