simple vowel的用法和樣例：
例句
- A vowel can form a syllable by itself.
母音能單獨構成音節。 - The simple vowels broke in many Germanic languages.
在很多日爾曼語中這個簡單的母音出現爆破。
simple vowel的相關資料：
臨近單詞
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
