Biferrocenyl
联二茂铁
🗣️ 情景例句
Don't mention it. What would you like to drink?
别客气，想喝点什么？
Her blouse is behind the desk.
她的上衣在书桌后面。
After it had passed, they swam on as quickly as they could because they knew that the boat would soon return.
快艇过去之后，他们以最快的速度向前游去，因为他们知道快艇马上就要转回来。