他是我们 中间 惟一懂俄语的人.He is the only one who [ that ] knows Russian.俄语的拼法是音形一致的.Russian spelling is phonetic.她原来是学俄语的, 但最近改学了生物.She used to study Russian, but lately she changed to biology....
When winter comes, some birds will fly away to the south.冬天到来时, 一些鸟就会飞到南方去.You must approach the bird very quietly or it will fly away.你必须悄悄地走近那只鸟,否则它会飞走的.You won't need to ride him; just hold on, and he'll fly...