Ringle
金屬環振蕩器；金屬環圈
??? 情景例句
Hello.
你好！
This is a diploma.
這是一張文憑。
We are really glad to see you so constructive in helping settle the problems as regards the signing of the contract.
我們很高興您在解決有關合同的問題上如此具有建設性。