complicates的例句（complicates在句子中的用法）

• The fact that the drill hole openings are located under water complicates charging work. 炮眼口位于水下,无疑会使装药工作复杂化.
• That very much complicates matters. 那使得事情更加复杂.
• What complicates the issue is the burden of history. 历史的重负使问题复杂化了。
• What complicates the issue is the burden of history... 历史的重负使问题复杂化了。