soap crude

例句：

1. 1. I needto wash my clothes with soap.
   我需要用肥皂洗衣服。
2. 2. The soap bubbles up and bursts into a cloud of foam.
   肥皂泡起来，变成了一团泡沫。
3. 3.The soap dissolves quickly in water.
   肥皂在水中很快就溶解了。