chew gum
口香糖常与'chew'搭配使用。
He likes to chew gum while studying.
他喜欢在学习时嚼口香糖。
牙龈；一块口香糖；树胶；植物胶；胶质物；黏性物质；胶树
牙龈
The flesh around the teeth.
植物分泌的黏性水溶性碳水化合物,干燥后变硬,或植物渗出物中的此类物质
A viscous water-soluble carbohydrate exudate of certain plants that hardens when it becomes dry, or such a substance as a component of a plant exudate.
一种用于咀嚼的制品,通常由加糖的糖胶树胶制成
a preparation (usually made of sweetened chicle) for chewing
任何类似天然树胶的黏性或胶粘物质
Any viscous or sticky substance resembling the true gum.
颌部覆盖黏膜、围绕牙齿基部的组织
the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth
口香糖
Chewing gum.
某些植物渗出的水溶性物质,湿润时呈胶状,干燥后变硬
any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
一块口香糖
A single piece of chewing gum.
胶树
A gum tree.
The teacher told him to spit out his gum.
老师让他把口香糖吐出来。
用法提示：此处'gum'指口香糖，为不可数名词。
I always keep a pack of gum in my bag.
我总是在包里放一包口香糖。
用法提示：此句中'gum'作为不可数名词使用，表示口香糖。
Would you like a piece of gum?
你想要一片口香糖吗？
用法提示：'gum'在此处同样指口香糖，是不可数名词。
口香糖常与'chew'搭配使用。
He likes to chew gum while studying.
他喜欢在学习时嚼口香糖。
My gums bleed when I brush too hard.
我刷牙太用力时牙龈会出血。
树胶通常指植物分泌的胶质物。
Gum from the acacia tree is used in food.
金合欢树胶用于食品中。
可互换，但'chewing gum'更正式，'gum'更口语化
通常用复数指全部牙龈；单数指一颗牙的牙龈，较少用
特指一种常见树胶，非泛指所有植物胶
grammar · medium
易错句子Can I have a gum?
正确表达Can I have a piece of gum?
中文学习者常将‘gum’（口香糖）视为可数名词，错误地在其前直接加不定冠词‘a’。实际上，‘gum’作‘口香糖’解时为不可数名词，需要用量词‘a piece of’或‘a stick of’来修饰。
grammar · medium
易错句子My gum hurts when I brush my teeth.
正确表达My gums hurt when I brush my teeth.
中文中‘牙龈’没有单复数之分，但在英语中，‘gum’指牙龈时通常使用复数形式‘gums’。该句误将‘gums’用作单数，导致语法错误。正确的表达应使用复数。
gum（口香糖）和gun（枪）发音非常接近，仅末尾辅音不同（/m/ vs /n/），拼写也相似。中国学习者容易混淆，需注意区分发音和词义。
嚼口香糖
It's impolite to chew gum in class.
在课堂上嚼口香糖是不礼貌的。
牙龈疾病
Regular brushing can prevent gum disease.
定期刷牙可以预防牙龈疾病。
橡胶树；桉树
The koala feeds on leaves of the gum tree.
考拉以桉树叶为食。
把事情搞砸，使工作受阻
His constant questioning gummed up the works during the meeting.
他不断的提问使会议进展受阻。
陷入困境
If we miss this deadline, we'll be up a gum tree.
如果我们错过这个截止日期，就会陷入困境。
我不嚼口香糖。
In the movie Pulp Fiction, Mia Wallace says, 'I don't chew gum.'
在电影《低俗小说》中，米娅·华莱士说：‘我不嚼口香糖。’
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.