examine first

• 先检查

examine first的用法和样例：

例句

1. We must first examine the patient's stool.
   我们应先检查病人的大便。
2. Note that any material that comes into contact with the guitar must first be checked for foreign particles, dirt, etc.
   注意所有直接接触漆面的东西必须在之前先检查有没有外来的杂质，灰尘颗粒等等。