Interstitial gingivitis
[医] 间质性龈炎
🧩 词语组成解析
interstitial
[,intə'stiʃəl]
adj. 空隙的，裂缝的，形成空隙的;填隙;填隙子;
n. 齿龈炎
🗣️ 情景例句
May I please speak to Ling Ling?
我可以和玲玲讲话吗？
Sorry, I'm engaged.
对不起，我有约在先了。
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation.
长期以来，海员中流传着一种迷信的说法，认为海豚会把快要淹死的人托到水面，救人性命；或在人们周围列队保护，使他们免遭鲨鱼伤害。