重庆人将“沙坪坝”的声母和韵母发成[sam pa],这种情况属于语流音变中的( )
Goods are carried by several of transport--on road or rail, by sea or air.
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
普通话语音系统的音素可以分为声母和韵母两大类。
2002年新配方口服补液盐(ORS)溶液的张力是
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