| 释义 |
oolitic chert
- geopoliticaladj. 地理政治学的
- schoolteachern. (中小学)教师
- horticulturistn. 园艺家
- 鲕状的ér zhuàng de
oolitic
- 隧石suì shí
chert
- 黑硅石hēi guī shí
chert
- 角岩jiǎo yán
chert, taconite
- 鲕状石炭岩ér zhuàng shí tàn yán
oolitic limestone
- 燧石条款suì shí tiáo kuǎn
chert clause
- 燧石suì shí
flint; firestone; silex; chert; gunflint
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