1
a conker
conker 是可数名词，单数前需加限定词；果实不可食用。
A conker fell from the tree and rolled onto the path.
一颗七叶树果实从树上掉下来，滚到了小路上。
七叶树的果实
conkers — plural of conker
先理解核心含义，再看它在真实句子里的用法。
七叶树的果实
the inedible nutlike seed of the horse chestnut
A conker fell from the tree and rolled onto the path.
一颗七叶树果实从树上掉下来，滚到了小路上。
七叶树果实
n the inedible nutlike seed of the horse chestnut
The children picked up a shiny brown conker from under the horse chestnut tree.
孩子们从七叶树下捡起一颗亮褐色的七叶树果实。
My brother and I used to collect conkers in the park every autumn.
我和哥哥过去每年秋天都会在公园里收集七叶树果实。
She kept a conker in her coat pocket for good luck.
她把一颗七叶树果实放在外套口袋里以求好运。
conker 是可数名词，单数前需加限定词；果实不可食用。
A conker fell from the tree and rolled onto the path.
一颗七叶树果实从树上掉下来，滚到了小路上。
some 与复数连用，表示若干；复数形式为 conkers。
The children picked up some conkers in the park.
孩子们在公园里捡起了一些七叶树果实。
Not this
He won the game by hitting his opponent's conquer.
Use this
He won the game by hitting his opponent's conker.
conker 和 conquer 读音相近，但词性和意义不同：conker 是名词，意为‘七叶树果实’；conquer 是动词，意为‘征服’。这里需要名词作宾语，应写 conker。
Not this
There are many conker under the tree.
Use this
There are many conkers under the tree.
conker 是可数名词，复数形式为 conkers；在 many 后须用可数名词复数，因此应写 conkers。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
玩七叶果游戏
The boys were playing conkers after lunch.
男孩们午饭后在玩七叶果游戏。
收集七叶果
We used to collect conkers in the park every October.
我们每年十月都去公园收集七叶果。
用绳穿七叶果
You need to string a conker carefully so it does not break.
你需要小心地用绳穿七叶果，以免把它弄裂。
光亮的七叶果
She kept the biggest, shiniest conker in her pocket.
她把那颗最大最亮的七叶果放在口袋里。
七叶果季节
During conker season, the ground is covered with conkers.
在七叶果季节，地上到处都是七叶果。
Use conkers naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记 conker：发音像“扛客”，想象扛着一颗七叶树果实（像大栗子），不能吃。
语域：neutral 常见场景：British everyday conversation、school playground game (conkers) conker 是英式英语中的日常用语，多用于口语，指七叶树的褐色坚果（不可食用）；常出现在儿童游戏 conkers 的语境中。正式书面语或科学语境中更常用 horse chestnut seed。
指七叶树的坚果状果实，不可食用。
Dictionary facts from ECDICT, WIKTIONARY.