中俄勘分西北界约订 => 将汉字转换成汉语拼音

中 zhōng: central; center, middle; in the midst of; hit (target); attain
俄 é: sudden(ly), soon; Russian
勘 kān: investigate; compare; collate
分 fēn: divide; small unit of time etc.
西 xī: west(ern); westward, occident
北 běi: north; northern; northward
界 jiè: boundary, limit; domain; society; the world
约 yuē: treaty, agreement, covenant
订 dìng: draw up agreement; arrange