Seliwanoff's test
[机] 谢里瓦诺夫试验
🧩 词语组成解析
🗣️ 情景例句
you have a lunch appointment with Mr. Levine,
跟Levine先生约好吃午餐。
Whose pen is this?
这是谁的笔？
Well, I've dug this hole. Hold this stick, while I knock it in.
嗯，我已挖好了坑。当我插木混时，你帮扶着。