口内的白斑是由吸烟引起的 吗 ?Could the white patches in my mouth be caused by smoking?正畸支抗的设计和控制对于矫正成功是至关重要的因素之一,通常由口内的单个牙 、 组牙或口外装置来实现.Single tooth, a group of teeth or extraoral anchorage can be used in anchorage control....
蝌蚪变成蛙, 它的尾巴就逐渐被吸收掉.As a tadpole changes into a frog, its tail is gradually absorbed.蛙随着雨落开始哇哇叫.Frogs began to croak with the rainfall.蝌蚪是蛙的幼体.The tadpole is the larva of the frog....
He'll be visiting four cities including Cagliari in Sardinia...他将要访问4个城市，包括萨迪尼亚的卡利亚里。Sardinia and Corsica lie on the flank of the long Italian boot.撒丁与科西嘉位于意大利靴形半岛之侧面.He'll be visiting four cities including Cag...
A snowstorm hit the West today, bringing with it frigid temperatures.暴风雪今天袭击了西部地区，导致气温骤降。"Well, dear," her hostess would reply with a frigid smile.“噢，亲爱的，”她的女主人会笑容僵硬地回答。There was a frigid atmosphere in the room.房间里一片冷淡的气...
在白令海上不时有将船只砸个粉碎的暴风雨出现,传为奇谈.The storms that routinely batter ships on the Bering Sea are legendary.白令海 ( 白令公海 )Bering Sea ( High Seas )北太平洋位于阿拉斯加州和西伯利亚之间的部分;通过白令海峡与北冰洋相连.The Arctic Ocean is considered by some to be a nort...