necessary
01
必要的, 必需的
needed to be done for a particular reason or purpose
例子
It is necessary to study for exams to achieve good grades.
为了取得好成绩，有必要为考试学习。
Wearing sunscreen is necessary to protect your skin from harmful UV rays.
涂抹防晒霜对于保护皮肤免受有害紫外线伤害是必要的。
例子
The rise of technology is a necessary consequence of human progress.
技术的兴起是人类进步的必然结果。
Change is a necessary part of life.
变化是生活中必要的一部分。
Necessary
01
必需品, 必要的
a thing that is essentia for a particular purpose or situation
例子
They listed all the necessary for setting up the new office, including furniture and technology.
他们列出了设立新办公室所需的所有必需品，包括家具和技术。
The manager discussed the necessary to complete the project, focusing on tools and staffing.
经理讨论了完成项目所需的必要事项，重点是工具和人员。
词汇树
necessarily
unnecessary
necessary
necessar
