systematology

systematology的英语例句

1. As preventive, spray plants with systemic insecticide or fumigate them regularly.

   作为预防措施, 要用内吸杀虫剂对植物定期喷洒,或熏蒸.

2. The economy is locked in a systemic crisis.

   经济陷入全面危机。

3. A systemic examination is necessary in evaluating the state of the heart.

   在判定心脏状况时,需要作全身检查.