SergeevCOCA²⁵⁴³³⁷⁺⁶BNC¹²⁶⁴¹⁶⁺⁴ 基本例句 谢尔盖耶夫¹⁰⁰ “ We're just hoping our aircraft will be better, ” said Sergey Sergeev, deputy director general of Sukhoi. 我们只是希望我们飞机的性能能够更好一些。 yeeyan Ruben Sergeev, an expert on disarmament issues, said Moscow was afraid of falling behind in a new arms race. 裁军问题专家 Ruben Sergeev说莫斯科害怕在新一轮军备竞赛上落后。 yeeyan