Eustele
n. [植]真中柱( 存在于大多数裸子植物和被子植物的茎内)
🗣️ 情景例句
Hot dogs and mustard.
热狗和芥末。
Randy was furious about the nasty letter.
兰迪为这封下流的信而勃然大怒。
But they still put their stockings at the end of their beds.
但他们仍然把自己的长统袜挂在床脚边。