Donor impurity
[化] 施主杂质
🧩 词语组成解析
🗣️ 情景例句
What are we having?
我们吃些什么？
The examiner was looking for imaginative answers.
主考人希望找到具有丰富想象力的答卷。
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去，顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。