Material purchase contrast
[化] 購(gòu)料單
?? 詞語(yǔ)組成解析
material
[m?'t?r??l]
n. 材料，原料;素材;布，織物;適當(dāng)人選;
adj. 物質(zhì)的;肉體的;重要的，決定性的;辯證的，推論的;
purchase
['p?t??s]
v. 購(gòu)買;采購(gòu);換得;依靠機(jī)械力移動(dòng);
n. 購(gòu)買;購(gòu)買行為;購(gòu)置物;緊握;
pur(pro-=for)+chase(追)→獲得；購(gòu)買；所購(gòu)物；收益
contrast
['kɑntr?st]
n. 對(duì)比，對(duì)照;差異;對(duì)照物，對(duì)立面;[攝]反差;
contra(against)+st(stand)→對(duì)照；反襯；對(duì)比
??? 情景例句
and this is an important decision we have to make.
這又是我們必須做的一個(gè)重大決定。
I seldom write a letter.
我很少寫信。
The cry had certainly come form one of the chimneys, but as there were so many of them, the fire fighters could not be certain which one it was.
喊叫聲肯定是從煙囪里傳出來(lái)的，然而，因?yàn)闊焽杼?，消防?duì)員無(wú)法確定到底是哪一個(gè)。