樹脂的英文：
resin; gum; pitch
n. 树脂
v. 涂树脂于；用树脂处理
- They are made of a common plastic resin.
它们是用一种普通的塑胶合成树脂做成的。 - This shelf was made of synthetic resin.
这个架子是合成树脂做的。 - The purpose of the extrusion coating compound, the selection of resin.
挤出涂布复合的目的不同，选用的树脂也不同。
n. 牙龈，齿龈；树胶，树脂；口香糖
v. 用胶粘，涂以树胶；使…有粘性
- He likes chewing gum.
他喜欢嚼口香糖。 - One girl was chewing gum.
一个女孩在嚼口香糖。 - xanthan gum, fermentation, purification
黄原胶,发酵,提纯
v. 投掷；为…定音高；搭帐篷；用沥青涂
n. 投；投球；音高；程度；沥青
- deliver a pitch
竭力推销 - the pitch was away (or wide); an outside pitch.
那个球投歪了；一个偏外的坏球。 - We should pitch it within and without with pitch.
我们应该内外都涂上沥青。
