钻开牙齿, 去除腐坏的牙质.Give local anesthesia . Drill to open a tooth, clean dentine.结论: 空气喷砂机所制备洞形可保留更多正常牙质,有利于复合树脂材料的充填.COUCLUSION: The cavity which made with air - abrasion has more normal dentine and is suitable to resins....
She rolled over and propped herself up on her elbows.她打了个滚，然后用胳膊肘把自己撑了起来。He propped his elbows upon a greasy counter.他的双肘撑在满是油污的柜台上。His sleeves were rolled up to his elbows.他的袖子卷到了肘部。...
I know I behaved foolishly but you needn't rub it in.我知道我的行为很愚蠢,但你不必老提那件事.Don't rub it in that we have failed again.别把我们再次失败的事说了又说.I know; don't rub it in.我知道, 别再说了....