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- arc crater crack 弧坑裂纹
- Has welding current slow rise and attenuation functions, is propitious to fill arc crater when arc ending, avoids producing crack. 具有焊接电流缓升和衰减功能，有利于收弧时填满弧坑，避免产生裂纹。
- Flames blazed out from the crater of the volcano. 火焰从火山口猛烈地喷出来。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- A rim, as of a vessel, bell, or crater. 边容器、铃和坑的边缘
- Lava boiled up from the crater of the volcano. 熔岩从火山口沸腾着升起来。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- Joan of Arc was made a saint in 1920. 1920年，贞德被追封为圣女。
- You'll crack up if you go on working so hard. 你继续这样拚命干下去，身体会吃不消的。
- Have another crack at solving this puzzle. 再试一试把这个难题解决了吧。
- The sun appears to move in an arc across the sky. 太阳看起来在天空以弧线运行。
- She made a crack about his fatness. 她取笑他肥胖。
- There is a crack in this window. 这扇窗户上有个裂纹。
- She got up at the crack of dawn. 天刚亮她便起床了。
- Mary found knitting a hard nut to crack. 玛丽发现编织并非易事。
- He was the tough guy, the big shot, who gave orders with the crack of a whip. 他是个威风凛凛发号施令的强悍的家伙，是个大人物。
- Joan of Arc led a large army to raise the siege of Orleans in1429. 贞德在1429年率大军解除了英军对奥尔良的围攻。
