Nioboxy
铌氧基
🗣️ 情景例句
and I've completely forgotten about all my business problems.
但我已经彻底抛开了我所有的业务上的问题。
Take one's courage in both hands.
勇往直前，敢作敢为。
He sent the journalist two more faxes, but received no reply.
他给记者先后发去两份传真，但对方毫无反应。