Viscometry
粘度测定法
🗣️ 情景例句
January the thirtieth and you're invited.
1月30日，希望你能出席。
So our evenings will be quite full then?
那么我们的活动在晚上也安排满了吗？
It is only 380,000 kilometres away, and it has been visited by man already.
已经有人到过月球旅行了。