Osteostraci
骨甲鱼目
🗣️ 情景例句
and reading to them.
为他们朗读。
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。
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。