相关单词近义词 sinkhole 阴沟的入口处..., sink 下沉临近词swallow, swallowing disorders, swallowing threshold, swallowtail fit angle, swallow-tail spinal, swallow-tailed coat, Swallow-tailed Moth, swallowtail butterfly, Swallow-tailed Gull, Swallow the diffeulty, swallow a slug of gin 返回 swallow hole