MTV颁奖晚会上，麦当娜与小甜甜布兰妮断背舌吻。
And the best kiss goes to Madonna, her smooching Britney Spears and Christina Aguilera at the MTV Video Music Award.
舌背的舌头下面躺着软腭的那部分。
The tongue back is that part of the tongue lying below the soft palate.
本研究用6种固定液、4种染色法，观察对显示小鼠耳廓、舌和背皮肤结缔组织肥大细胞的影响。
In the current study, 6 fixtures and 4 staining methods were used to demonstrate the effect of fixation and staining on the manifestation of the connective tissue mast cells of mice.
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