Serrula
[医]锯突（蛛形纲）
🗣️ 情景例句
A kind of a fifty-year anniversary reunion.
等于是五十周年重逢聚会。
Will you stay there for long?
你会在那儿待很长时间吗？
He suddenly appeared in the party.
他突然在晚会上出现了。