Experimenting
vi. 做实验, 进行试验（experiment的现在分词形式）
🗣️ 情景例句
Your ideas are good ones.
你的想法很好。
Then I asked him if he knew anybody in New York .
然后我问他是否他在纽约认识人。
Clusters of tin insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子。