Betula nigra

🧩 词语组成解析

Betula
[医] 桦属
nigra
[医] 黑质

🗣️ 情景例句

Yeah, it's been a long time.
是啊,好久没见面了。
Me too. I was hoping we could finish copying this report today.
我也希望如此,我本来希望今天我们能复印完这份报告。
They were expecting their sixth child and were faced with even more pressing economic problems.
第6个孩子即将问世,他们面临着更为严峻的经济问题。
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