1.refer to 涉及；指的是；適用于

Symbols are signs that refer to the object by a convention.
標(biāo)志是一種人們習(xí)慣性指代某種事物的符號(hào)。

Slowschools and slow education can refer to different aspects of education.
慢速學(xué)校和慢速教育可以指教育的不同方面。

2.play a role 起作用

Fairly full employment may also play a role.
徹底的充分就業(yè)也起到作用。

Mr draghi's positive contagion may also play a role.
德拉吉所說(shuō)的正面效應(yīng)也在發(fā)揮作用。

3.patent office 商務(wù)部專(zhuān)利局

The patent office granted apple the patent four years later, in early 2010.
專(zhuān)利局四年后于2010年初授予蘋(píng)果公司該項(xiàng)專(zhuān)利。

Nonetheless the american patent office controversially allowed firms to patent diagnostics involving single genes.
盡管如此，美國(guó)專(zhuān)利局仍很有爭(zhēng)議的通過(guò)了一些公司針對(duì)單基因的診斷方法的專(zhuān)利申請(qǐng)。

4.allow to 允許

Allow to freeze solid for 3-4 hours or overnight.
允許凍結(jié)3-4小時(shí)或隔夜固體。

Apply solution to the tube and allow to become tacky.
在內(nèi)胎上涂抹膠水并讓它發(fā)粘。