单词:buffing mark
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589 、 受迫振动 forcedvibration 590 、 受迫振荡 forcedoscillation 591 、 和谐 harmony 592 、 周转齿轮;行星齿轮 epicyclicgear 593 、 固定夹;台夹 benchholdfast 594 、 固定
THIS IS AMERICA - Athletes Battle Extreme Conditions in Arrowhead 135 BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. STEVE EMBER: And I'm Steve Ember. This week on our program, we tell you about an extreme winter
今天我们要学的词是mark。 Mark, 有纪念的意思。星期二是2001年美国遭受911恐怖袭击的六周年。President Bush called for Americans to mark the attacks with memorial services and candlelight vigils, 美国总统布什呼吁美
Harrowing Minnesota Race Tests Endurance Last year, overnight temperatures plummeted to minus 31 degress Celsius. The year before, minus 37. That year, cyclist Jason Buffington saw one of his friends - a fellow racer - who'd stopped. I came up on Cha
A man from the state of Chu was crossing a river in a boat when his sword fell into the water.Immediately he made a mark on the boat.This is where my sword fell off,he said.When the boat stopped moving,he jumped into the water to look for h
A man from the state of Chu was crossing a river in a boat when his sword fell into the water.Immediately he made a mark on the boat.This is where my sword fell off,he said.When the boat stopped moving,he jumped into the water to look for h