单词	ethylenes
释义	同ethylene
随便看	forward speed forward--speed forward speed control forward spining forward spring line forward stagnation point forward start option forward stroke forward substitution forward substrate bias forward supervision forward supply point forward swap forward-sweep forward-sweep wing forward-sweep wing (fsw) forward swept forward swept wing forward swing forward tape motion forward tape wind without data read forward tape wind without data read (wo) forward tape wind without data read(wo) forward telling forward-thinking