词汇	terror birds
释义	terror birds 🌏恐鸟
随便看	negative exponent negative exponent gas generating propellant negative exponential decay negative-exponential density function negative exponential distribution negative exponential function negative exponential quantity discounts negative exponent series expansion method negative exports negative expression negative expression of hypothetical inference negative exterior-effect negative exterior factors negative external effect Negative external effect of ecological negative external effect of environment negative external issues negative feedback in a wind negative feedback in FM negative feedback laser negative feedback link negative feedback loop negative externality negative external value negative eyepiece