gum up 粘住了 ; 搞乱
gum up the works 把事情搞糟 ; 把事情弄糟
up a gum tree 进退维谷 ; 前进也难 ; 什么意思及同义词
Bust Up Gum 口香糖
Be up a Gum Tree 进退两难
up a gum-tree 骑虎难下
OSIS MESS UP Matt Gum 尚司哑色发胶
If plaque is not removed, it builds up and gets under the gum line.
如果不清除牙菌斑，它就会堆积起来并钻到牙龈下面。
Deposits of plaque build up between the tooth and the gum.
牙菌斑的沉积物在牙齿和牙龈间形成。
That would add to the legal cost of transactions and further gum up a damaged channel of credit.
这将会增加交易的法律成本，此外还会把本已损坏的信贷通道弄得更糟。
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