发布于：2025-07-06 06:02浏览量：124文/优校网
1.没用的,无益的,无效的
2.〈俚〉身体不舒服的,没精神的
1.useless objects have no purpose or cannot do what they were designed to do; useless activities are not effective in achieving the purpose that they were intended to achieve; if someone is useless, they are not any help to you or are not capable of achieving anything; a part of your body or mind that is useless cannot be used because of an illness or injury