Porifera
[医] 多孔动物门(海绵动物门)
🗣️ 情景例句
It's his first venture into business.
他初涉商界。
If you're sure you're not in a hurry, I can use a little help.
如果你真的不忙的话，我可能要你帮个小忙。
'You see.I've forgotten my key.'
“您瞧，我忘带钥匙了。”