Hydrozoa
[医] 水螅纲
🗣️ 情景例句
As a matter of fact,
事实上，
Merry is he that hath nought to lose.
人无所失，不亦乐乎。
He lands on top of each house and climbs down the chimney into the fireplace.
他降落在每一家的房顶，顺着烟囱爬进壁炉。