Correct mixture
[建] 标准气体混合物
🧩 词语组成解析
🗣️ 情景例句
There has been very little progress this term.
这学期没有什么进步。
From across the room, David cast a glance at his brother.
隔着房间，大卫瞥了一下弟弟。
Yes. Go along this road, and take the first turning on the left, and the second turning on the right.
有。沿这条路往前走，然后在第一个拐角处向左转，接着在第二个拐角处向右转。