1
gum sth
此处意为“用牙床咀嚼”，主语常为无牙的婴儿或老人。
The baby gummed the biscuit.
宝宝用牙床嚼饼干。
用牙床咀嚼；没牙地嚼
gums — third person singular of gum
先理解核心含义，再看它在真实句子里的用法。
用牙床咀嚼；没牙地嚼
to chew with the gums, especially when one has no teeth
The baby gummed the biscuit.
宝宝用牙床嚼饼干。
常用于婴儿或没牙的人/动物用牙床啃咬食物
咀嚼,尤指无牙的人或动物。
To chew, especially of a toothless person or animal.
用胶水或树胶使变硬。
To stiffen with glue or gum.
加深和扩大(磨损的锯)齿间的空隙,如用磨锯器。
To deepen and enlarge the spaces between the teeth of (a worn saw), as with a gummer.
笨拙地附加到序列中。
To inelegantly attach into a sequence.
gum
Base
原形
gums
3rd person
第三人称单数
gumming
-ing
现在分词
gummed
Past
过去式
gummed
Past participle
过去分词
My grandmother gums her food because she cannot wear dentures.
我奶奶没有牙，只能靠牙床咀嚼食物。
He gummed the label onto the package.
他用胶水把标签粘在包裹上。
The baby is gumming a piece of soft bread.
宝宝正用牙床咀嚼一小块软面包。
作动词时多指用牙床咀嚼（常见于无牙者或动物），或指用胶水、树胶粘合东西。
The baby has no teeth yet, so she just gums her food.
宝宝还没有长牙，所以她只是用牙床咀嚼食物。
The old man gummed the soft bread because his false teeth were loose.
老人用牙床咀嚼软面包，因为他的假牙松了。
The puppy was gumming a toy bone on the carpet.
小狗在地毯上用牙床啃玩具骨头。
此处意为“用牙床咀嚼”，主语常为无牙的婴儿或老人。
The baby gummed the biscuit.
宝宝用牙床嚼饼干。
表示“用胶水或树胶把某物粘到另一物上”，与 stick/glue sth onto sth 相近。
He gummed the label onto the envelope.
他把标签粘在信封上。
强调把多个部分粘合为一个整体。
They gummed the broken pieces together.
他们把碎片粘在一起。
Not this
She gummed a piece of gum.
Use this
She chewed a piece of gum.
动词 gum 的意思是“（无牙的人或动物）用牙床咀嚼”，不是“嚼口香糖”。表达“嚼口香糖”要用 chew。
Not this
The baby gummed on the biscuit.
Use this
The baby gummed the biscuit.
gum 表示“用牙床咀嚼”时是及物动词，宾语直接跟在后面，不加介词 on/at。不要受 chew on 等短语的影响。
Not this
The old man gumed his toast.
Use this
The old man gummed his toast.
gum 以重读闭音节结尾，加 -ed 时要双写 m：gummed。不要漏写一个 m。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
湿水胶带
Use gummed tape to seal the package.
用湿水胶带封好包裹。
用胶粘合
The children gummed the pieces of card together.
孩子们用胶把卡纸碎片粘合在一起。
用牙床咀嚼食物
The toothless old man gummed his food slowly.
那位没有牙齿的老人慢慢地用牙床咀嚼食物。
使停顿；制造麻烦
The new software update gummed up the works for the whole department.
新的软件更新让整个部门的工作陷入停顿。
弄糟；使卡住
Don't gum up the printer with cheap paper.
别用便宜纸把打印机卡住。
Use gums naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
gum 发音像‘嘎姆’，想象没牙的人用牙床咀嚼；再联想口香糖 gum 的黏性，记住‘用胶粘合’。
语域：neutral 常见场景：日常谈论婴儿或老人进食、描述无牙动物咀嚼 表示“用牙床咀嚼”时，多用于日常口语或叙述，常描述婴儿、老人或无牙动物；语气中性，不算正式书面语。
这些词都与 gum 押韵，末尾都读 /ʌm/。拼写：sum, drum, plum, hum 以 -um 结尾；dumb 和 crumb 以 -umb 结尾，b 不发音。注意不要被拼写相似的词误导：gym /dʒɪm/、gun /ɡʌn/、gull /ɡʌl/ 的读音与 gum 并不相同。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.