Riptography
[化] 沉淀滴定法
🗣️ 情景例句
I fell out of the boat!
我摔到船外去了。
That brings us to the question of price. What do you have in mind?
那使我们想起价钱问题，你心目中的价钱是多少？
I'm not sure. I think he may have to help his Dad in the garden.
我不清楚。我想可能他得帮助他爸爸在花园里干活。