Tetrabutyltin
[建] 四丁基錫
??? 情景例句
she'll help me find another dog.
她會幫我另外找一只狗。
Send a postcard to me when you arrive in Shanghai.
你到上海以后給我發張明信片。
Where's your homework, Jim?
吉姆，你的家庭作業在哪兒？