他们决定为公司的标志申请商标保护。
They decided to ___trademark their company logo.
她标志性的红唇已成为她的个人特色。
Her signature red lips have become her ___trademark.
苹果公司的咬一口苹果图案是他们最著名的商标。
The bitten apple logo is Apple's most famous ___trademark.