Cissoid
凹边的,蔓叶线的
🗣️ 情景例句
She's come here to stay.
她这次来是要住下来。
I haven't seen you for ages.
好久没见了。
The moment you leave this tent, you will get a big surprise.
您一走出这个帐篷，就会大吃一惊。