用法:
1 (a) edible starchy tuber of a tropical climbing plant 薯蓣（通称山药）.
(b) this plant 薯蓣.

用法:
2 (US) type of sweet potato 甘薯（通称白薯或红薯）.

• off-day
• offence (US offense)
• offend
• offender
• offense
• offensive 1
• offensively
• offensiveness
• offer 1
• offering
• offertory
• offhand 1
• offhanded
• off-handedly
• office
• office-block
• office boy
• office holder (also `office bearer)
• office hours
• officer
• official 1
• officialdom
• officialese
• officially
• officiate