Protium heptaphyllum

🧩 词语组成解析

protium
n. 三种氢的同位素中质量最轻者

🗣️ 情景例句

We once found a cat.
我们有一次找到一只猫,
Everyone's ready and waiting for you.
大家都好了,就等你啦!
I don't have any cash with me.
我身上没带现金。
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