常见例句

The sweet gum, sour gum, and some Australian eucalyptus trees are gum trees.
甜膠樹、酸膠樹和一些澳大利亞的尤加利樹都是産樹膠的樹。
The milk has curdled and become sour.
牛嬭凝結變酸了。
Many people like to chew mint gum in the summer.
許多人喜歡在夏天嚼薄荷口香糖。
Sour grapes are made into raisins or wine.
酸葡萄就做成葡萄乾或葡萄酒。
These apples are not ripe; they are sour.
這些蘋果不熟，是酸的。
Consisting of or containing gum.
樹膠的由樹膠組成的或包括樹膠的