英语翻译allow empty drop off at inland depot?

英语翻译allow empty drop off at inland depot? 英语翻译drop offdrop in drop downdropping off 英语翻译National borders allow inequalities. 英语翻译Sinkholes happen when the weather is dry .The earth at the surface begins to drop into empty space under the ground ,like sand falling in huge hourglass.this is how sinkhold is formed . empty empty allow allow allow drop ;fail ;use ;invent ;thank ;own ;allow ;explore ;的过去式和过去分词是什么? Drop drop drop 英语翻译包含empty minded和propose marriage 不许上课随意讲话 英语翻译用到（allow) 英语翻译用“allow sb to”做 英语翻译they allow children to ------ friday afternoons ----- 英语翻译用allow sb to do翻译