Pedicellaria
(棘皮動(dòng)物的)叉棘
??? 情景例句
I love being with them.
我喜歡和他們?cè)谝黄稹?/div>
How far is it from the shore of the Atlantic to the mountains?
從大西洋海岸到山脈有多遠(yuǎn)？
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想，有許多人需要打電話到火車站、汽車公司或電影院，以便弄清火車、汽車的起始時(shí)間或電影放映的時(shí)間吧。