重點講解:
1. be made out of (由…)構成的;(由…)制成的;
例句:The shoes are made out of leather.
這些鞋子是用皮革制成的 。
2. for example 例如;比如;
例句:I like to keep a pet, for example, a dog or a cat.
我喜歡養寵物,如狗或貓 。
3. be composed of 組成;構成;
例句:Most of the natural world is composed of only about 20 elements.
自然界絕大多數物質大約只由20種元素組成 。
adj. 傳統的