Paraethoxyacetophenone
对乙氧基苯乙酮
🗣️ 情景例句
and keep the cultural programs for our kids.
以便为我们的孩子保存文化活动。
One cannot get blood from a stone.
石头里抽不出血。
Then, instead of having someone answering the phone all day, people can ring up the railway station and listen to a tape recording of the information.
然后，人们可以打电话到火车站，从录音电话中获取信息，而不要安排一个专人整天接电话。