Siphonophore
n. [动]管水母目动物
🗣️ 情景例句
Simply this.
简单说来是这样的。
Despair gives courage to a coward.
人急造反，狗急跳墙。
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远