陨石: meteorite, aerolite...
不在乎: not to care...
音乐会: concert...
海滨: shore, seaside...
拼音: phonetic writing, pinyin (Chinese romanization)...
求助: to request help, to appeal (for help)...
敏捷: nimble, quick, shrewd...
建交: to establish diplomatic relations...
锡: tin (chemistry), to bestow, to confer, to grant...
一干二净: thoroughly (idiom), completely, one and all, very clean...