NOEC无可见影响浓度
noadv.不adj.没有;不是;禁止n.否定的回答;投反对票者
No food and drink allow不准携带食物或饮品
no roof over one's head
No Easy Walk to Freedom走向自由并不容易
no decompression diving不减压潜水
No ransom has been paid从没支付赎金
no -bell furnace roof无料钟炉顶
nociceptive information伤害性信息
no-tillage with mulch免耕覆盖
NO ENTRY WITHOUT A PASS无通行证不得入内
No need artificial idea不着意见