Lockring
un. 锁环；锁紧环\\n
🗣️ 情景例句
Your duties include checking the post and distributing it.
你的职责是检查和发送邮件。
Rome was not built in a day.
罗马并非一日可建成；坚持必成。
At the end of this period we put the play on in a theatre.
最后我们就在剧场上演这出戏。