Kerogen shale
[化] 油页岩\\n[经] 油母页岩
🧩 词语组成解析
n. 油母岩\\n[化] 油母质
shale
[[ʃeil]]
n. 页岩
🗣️ 情景例句
Not a bad slogan.
不错的标语。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
Spring is a pretty season，
春天是一个好季节。