Boron
[ ['bɔ:rɔn] ]
高中 Senior High
n. 硼\\n[化] 硼B
📖 牛津释义
boron
n[U]
non-metallic chemical element used in metal working and in nuclear reactors 硼. =>App 10 见附录10.
🗣️ 情景例句
Is this within the tax-free limit?
这个在免税限额内吗?
You need a vacation.
你需要休假。
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