n. a small amount of liquid food
n. the act of swallowing
n. small long-winged songbird noted for swift graceful flight and the regularity of its migrations
v. pass through the esophagus as part of eating or drinking
n. 燕子, 吞咽, 喉
vt. 咽, 淹没, 吞没, 耗尽, 轻信, 忍受, 抑制
vi. 吞下, 咽下