身体前几个节间沟内经常无背孔。
There are usually no dorsal pores in the first few intersegmental grooves.
大约两个星期前，我们去九寨沟旅行。
About two weeks ago, we had a trip to Jiuzhaigou Nature Park.
方法额部采取冠状切口，颞部切口与鼻唇沟平行，耳前切口位于鬓角后缘。
Methods the operation is performed through the coronal incision, the temporal incision that is paralleled to the nasolabial sulcus, and the preauricular incision in the sideburns.
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