cassiterite
n.
錫石
英語(yǔ)翻譯 Noun:
-
a hard heavy dark mineral that is the chief source of tin
造句
用作名詞(n.)
- Cassiterite has been an important tin ore for eons and is still the greatest source of tin today.
錫石作為一種重要的錫礦石已有數(shù)十億年的歷史，時(shí)至今日仍然是錫的重要來(lái)源。
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