Polythionate
连多硫酸盐
🗣️ 情景例句
How much paint, how many hours of work ...
多少油漆， 多少小时的工作量……
Keep your eyes wide open before marriage, and half shut afterwards.
婚前张开眼，婚后半闭月。
There is a table in the middle of the room.
房间的中央有张桌子。