swal.low.tail

swallowtail的音标和读音：
DJ音标发音： [ˈswɔlɔˌteil]
KK音标发音： [ˈswɑlɑˌtel]

swallowtail的词性：
n.（名词）

1. The deeply forked tail of a swallow.
深叉形燕尾

2. Something similar to the tail of a swallow.
类似于燕尾的东西

3. Informal A swallow-tailed coat.
【非正式用语】 燕尾服

4. Any of various colorful, widely distributed butterflies of the family Papilionidae, usually having an extension at the end of each hind wing that resembles the tails of certain swallows.
凤蝶：蝴蝶科的五颜六色、分布广泛的蝴蝶，通常在每一个后翅的顶端有类似某些燕尾的延展部分