Be Dependent On

"Be dependent on" 是一个常见的英语短语，表示“依赖于……”、“依靠……”或“取决于……”。它通常用于描述某人或某事需要另一人或事物才能存在、运作或成功。

基本结构

主语 + be 动词 + dependent on + 名词/代词/动名词

• She is dependent on her parents for financial support.
• The success of the project is dependent on timely funding.
• Many species are dependent on clean water to survive.

常见用法

• 人对人/物的依赖：如孩子依赖父母，病人依赖药物。
• 事物之间的依赖关系：如经济依赖出口，植物依赖阳光。
• 结果的条件性：如成绩依赖努力程度，效果依赖使用方法。

近义表达

• rely on
• depend on
• count on

注意："be dependent on" 更正式，常用于书面语；"depend on" 更口语化。

实用例句

• Our company is heavily dependent on international trade.
• He became dependent on painkillers after the surgery.
• Whether we go hiking depends on the weather — or rather, we are dependent on it.