Riskless
a. 无危险的
✅ 同义词
🗣️ 情景例句
Pay more attention to the voice of youth.
多留意年轻人的意见。
It's a busy street.
这是一个繁忙的街道。
Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑——即我们常说的PC机——所代替了。