Echinozoa
有棘亚门
🗣️ 情景例句
He's a little quiet.
他有点沉静。
Accidents will happen.
天有不测风云。
He knew I collected match boxes and asked me whether my collection was growing.
他知道我收集火柴盒，于是问我收藏的米柴盒是否在增加。