橡实之外壳的英文：acorn cup
acorn是什么意思：n. 橡实,橡子
Every oak must be an acorn万丈高楼平地起
Every oak must have been an acorn.凡橡树必曾是橡实。
The boy teases the dog by pebble it with acorn.男孩子们用橡树果打狗逗它玩。
An indehiscent,hard – shelled,one – loculated,one – seeded fruit,such as an acorn or a hazelnut.坚果一种不开裂，硬壳，单隔室，单种子的果实，如橡树果实或榛子
A small cup – shaped structure or organ, such as the cup at the base of an acorn or one of the suckers on the feet of certain flies.杯形器具一种小型的杯状结构或器官，如橡树果实茎部的杯状物或位于某些苍蝇脚上的吸盘之一
cup是什么意思：n. 杯子；奖杯；一杯（的量）v. 使成杯状
A cup or goblet.茶杯或高脚酒杯
These cups chip easily.这些杯子容易碎裂。
clutch controlling cup离合器控制碗
One's cup of tea一个人的口味
That's not my cup of tea.那不是我喜欢的人/事
