Non-valid
[经] 无效的, 无根的, 不正当的
🧩 词语组成解析
non
[[nɔn]]
adv. 非, 不
🗣️ 情景例句
It's 5:00 p.m. today.
今天下午5点整。
Do you ever learn Chinese during the holidays?
你曾经在假日期间学中文吗？
Skating is interesting.
滑冰很有趣。