Celastoid
赛拉陀(专用热塑性塑料, 从醋酸纤维素制得)
🗣️ 情景例句
Isn't it exciting, Grandpa?
真令人兴奋， 是吗， 爷爷？
I worked at the garage this morning.
我今早在车房工作。
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。