选错超难语法分析--pressure can,为什么?The sounds used in human languages to create meaning consist of small variation in air pressure can be sensed by the air.

选错超难语法分析--pressure can,为什么?The sounds used in human languages to create meaning consist of small variation in air pressure can be sensed by the air. pressure pressure pressure? pressure He has come to__.A.checked his blood pressure B.having his blood pressure checked C.have his blood pressure checked D.have checked his blood pressure 编译原理语法分析实验编制一个递归下降分析程序,C语言代码. pressure screw high pressure suction pressure differential pressure pressure-sensitive pressure-sensitive pressure-relief pressure relief vent,pressure relief 新闻标题的语法分析 可以分析下这个句子吗?C'est tout ce qu'il vous faut?语法分析.ce在这的用法 英语题22~~~I little understood the pressure __________ her.A.onB.in C.atD.against