Sericterium
n. (蚕等昆虫的)泌丝器,丝腺
🗣️ 情景例句
It is.
是的。
He has graciously consented to speak to us on that subject tonight.
他同意今晚他将就这一专题演讲。
He's gone to England with his family. He won't be back until January.
他和家人一起回英国了。要到元月份才回来。