Olts
[计] 联机测试系统
🗣️ 情景例句
Marriage is an institution not to be taken lightly.
婚姻是个不能儿戏的体系。
This nation is noted for its scientific accomplishments.
这个国家以科学成就闻名。
In time, all Sam's money was paid back in this way.
很快，萨姆全部的钱都用同样的方式还了回来。