I chipped the enamel on my front tooth when I fell over.我跌倒时门牙的珐琅质碰碎了。The enamel surface microhardness was measured by a Leitzs microhardness tester.采用维氏显微硬度仪测定经饮料浸泡后牙釉质表面显微硬度的变化.Glister Toothpaste with SYLODENT provides...
As he drew abreast of the man he pretended to stumble.当他赶上那个男人时,他装出了要跌倒的样子。I make it into the darkness with only one stumble.我只是绊了一下,周围就变成了一片黑暗。The sudden weakness in her legs made her stumble.她突然两腿发软踉跄了一下。...