Underside

例句:

• At first she could see no injury, but as she tried to raise him she saw that blood was pouring from the underside of his neck. 阿瑟·柯南·道尔. 福尔摩斯归来记.
• Raphael's face was found boldly executed on the underside of the moulding board, and Bacchus on the head of a beer barrel. 路易莎·梅·奥尔科特. 小妇人.

校对:罗杰