Osf
[计] 开放软件基金会
🗣️ 情景例句
and remember the meaning of Thanksgiving.
来追忆一下感恩节的意义。
Sorry, they are already full.
抱歉，全部满了。
Meanwhile, a microphone, which was lowered into the mine two hours ago, has enabled the men to keep in touch with their closest relatives.
与此同时，两个小时以前放下井去的一只麦克风使井下的人可以与其亲属保持联系。