用法:
1 additional; extra 增补的; 补充的; 附加的:
a supplementary payment, lecture, item 额外的付款、 讲座、 项目.

用法:
2 (mathematics 数) (of an angle) making a total of 180 with another angle （指角）补角的.

• pickle 1
• pick-me-up
• pick on sb
• pickpocket
• pick sb/sth out
• pick sth over
• pick-up
• pick up
• picky
• picnic 1
• picric acid 1
• pictorial 1
• pictorially 1
• picture 1
• picture-book
• picture-card
• picture-gallery
• picture postcard
• picturesque
• picturesquely
• picturesqueness
• piddle 1
• piddling
• pidgin
• pie