Hemichordates
(hemichordate 的復數) n.[動]半索海生動物綱\\na. 半索動物綱的
??? 情景例句
We'll spend many more weekends like this.
我們以后可以多度幾次這樣的周末。
This nation is noted for its natural resources.
這個國家以天然資源聞名。
What's wrong?
怎么了？