必需 meaning in English
essential; indispensable; vitally need 短语和例子
Examples
- It seems neither necessary nor credible .
这看来既非必需，也不可信。 - These reference books are necessary to us .
这些参考书是我们所必需的。 - Air and water are indispensable to life .
空气和水是生命所必需的。 - A binder is necessary for strand integrity .
粘结剂对纤维的集束性能是必需的。