observation 2 n.观察, 观测, 观察资料
offensive 2 adj.讨厌的, 无礼的, 攻击性的 n.进攻, 攻势
option 2 n.选项, 选择权, 买卖的特权
order 2 n.次序, 顺序, 正常状态, 秩序, 会议规则, 命令, 定购, 定单
vt.命令, 定购, 定制
original 2 adj.最初的, 原始的, 独创的, 新颖的 n.原物, 原作
originate 2 vt.引起, 发明, 发起, 创办 vi.起源, 发生
overwhelmed 2 vt.淹没, 覆没, 受打击, 制服, 压倒
overwhelming 2 adj.压倒性的, 无法抵抗的
payment 2 n.付款, 支付, 报酬, 偿还, 报应, 惩罚
permanent 2 adj.永久的, 持久的
permeate 2 vt.弥漫, 渗透, 透过, 充满 vi.透入
perpetual 2 adj.永久的
persistence 2 n.坚持, 持续
plunge 2 n.跳进, 投入 vi.投入, 跳进, 陷入
vt.使投入, 使插入, 使陷入
potential 2 adj.潜在的, 可能的, 势的, 位的
n.潜能, 潜力, 电压
precious 2 adj.宝贵的, 贵重的, 珍爱的, 过于精致的, 珍爱的
preliminary 2 adj.预备的, 初步的
premise 2 n.前提, 房屋连地基
vt.提论, 预述, 假定
vi.作出前提
prescription 2 n.指示, 规定, 命令, 处方, 药方
prestige 2 n.声望, 威望, 威信
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