adj.市外的
For months, scientists have treated the city like a laboratory, testing wind patterns and atmospheric structure, while pinpointing local and regional pollution sources. 一連好幾個(gè)月，科學(xué)家將整個(gè)城市當(dāng)作實(shí)驗(yàn)室，測(cè)試風(fēng)的形態(tài)和大氣結(jié)構(gòu)，查明市內(nèi)和市外的各種污染源。
