Perkins'reaction
[机] 珀金斯反应
🗣️ 情景例句
It's been a pleasure to talk to you.
和你谈话是件很愉快的事。
Rowing builds up arm muscles.
划船能够锻炼臂力。
I must go to the greengrocer's.We haven't got many tomatoes,but we've got a lot of potatoes.
我还得到蔬菜水果店去一下。我们番茄不多了，但土豆还有不少。