Serum angiotensin converting enzyme(SACE)was analyzed in 209 workers exposed to terephthalic acid(TPA)and 107 control workers.

对209名TPA作业工人和107名对照工人的血清血管紧张素转换酶（SACE）水平进行分析。

Objective To study the activity of serum angiotensin converting enzyme (SACE) in patients with lung cancer and its changes after chemotherapy.

目的研究肺癌患者血清血管紧张素转换酶(SACE)的活性及其化疗后的变化。

When the doctor and the ladies had heard all about his sad life, they were quite sure that they wanted to sace Oliver from any unfair punishment.

医生和两倍女士得知了奥利弗悲惨的身世后，便决定要帮助他，使他免受不公正的惩罚。