simple vowel的用法和样例：
例句
- A vowel can form a syllable by itself.
元音能单独构成音节。 - The simple vowels broke in many Germanic languages.
在很多日尔曼语中这个简单的元音出现爆破。
simple vowel的相关资料：
临近单词
simple map
simple
simple random sampling model
simple push-down automaton
simple and adaptive mutation
simple branched acinar gland
simple conner balance method
simple discriminative matrix
Simple Proof for Ore Theorem
simple train flow allocation
simple pinnate compound leaf
Simple analysis on heat pump
