tumor marker的用法和樣例：
例句
- Tritide can be used as a tracer and is an ideal marker of knowing the reservoir and the state of the fluid movement.
氚化物作為示蹤劑是一種較理想的認識油層及其流體運動(dòng)狀態(tài)的標記物。 - Is Pre-operative Anaemia a Risk Marker for In-hospital Mortality and Morbidity After Valve Replacement?
手術(shù)前貧血是瓣膜置換手術(shù)后院內死亡率和發(fā)病率的危險標記物嗎？
