swal.low.wort
swallowwort的音标和读音：
DJ音标发音： [ˈswɔlouˌwə:t, -ˌwɔ:rt]
KK音标发音： [ˈswɑloˌwɜt, -ˌwɔrt]
swallowwort的词性：
n.（名词）
2. Any of several vines of the genus Cynanchum, especially C. nigrum, native to Europe, having clusters of small brownish-purple flowers.
白屈菜，黑白前：一种白前 属的藤本植物，尤指产于欧洲的 黑白前 ，具有褐紫色小花簇
swallowwort的词源：
3. [From the shape of its pod]
[来自于其荚果的形状]