sour gum

常见例句

The sweet gum, sour gum, and some Australian eucalyptus trees are gum trees.
甜胶树、酸胶树和一些澳大利亚的尤加利树都是产树胶的树。
The milk has curdled and become sour.
牛奶凝结变酸了。
Many people like to chew mint gum in the summer.
许多人喜欢在夏天嚼薄荷口香糖。
Sour grapes are made into raisins or wine.
酸葡萄就做成葡萄干或葡萄酒。
These apples are not ripe; they are sour.
这些苹果不熟，是酸的。
Consisting of or containing gum.
树胶的由树胶组成的或包括树胶的