单词：upper core support structure
单词：upper core support structure 相关文章
What restorations are possible with Core-Vent Implants? 做完种植体需要什么样的修复呢？ 1. Replace a single toot. 种植单个牙齿： One implant with a crown can replace a single missing tooth, eliminating the need to prepare adjacen
口腔临床英语对话
今天我们要学的习惯用语有共同的关键词: lip。大家都知道lip是嘴唇。嘴唇可是我们身上忙碌的器官，我们说话，吃喝都得靠嘴唇帮忙。嘴唇还帮我们传情达意。难怪由lip这个词发展而来的习惯
美国习惯用语
【英文原文】 Like all stars, the sun is basically a giant nuclear reactor that burns hydrogen to create energy. But like any reactor, the sun needs fuel to keep going. Its been going strong for around four-point-five billion years, and will pro
英语听力广播—Listening
So Long, Sun 再见了，太阳 D: Wow! What a beautiful sunset. Y: Enjoy it while it lasts, the sun wont be around forever, you know. D: You mean, one day the sun will disappear? Y: Not exactly disappear, but the sun will eventually burn out and die
英语听力文摘 English Digest
这些政府工作报告中的热词，你会用英语表达吗？快和小编一起来英语词汇中学习一下吧！ 国有企业 state owned enterprises (SOEs) 主要产业 core business 税收贡献 tax contributions 民航 civil aviation 所有制
英文语法词汇
The hour hand on a clock moves about ten thousand times faster than the flowing rocks of the mantle. 钟面上时针的移动速度，比地幔岩石的流动速度，要快大约1万倍。 The movements occur not just laterally as the Earth's plates
万物简史