制造肥皂时煮去多余的水分的英文

boil clear

• 制造:    make; manufacture; ...
• 肥皂:    soap
• 时:    shí]
• 煮:    boil; cook; stew
• 去:    go; leave
• 多余:    unnecessary; more ...
• 的:    4次方是 The fourth po ...
• 水分:    moisture content; ...