Stereoselectivity
立體選擇性
??? 情景例句
Marketing promotion.
市場推廣。
When is grandparents' wedding anniversary?
祖父母的結婚周年是什么時候？
especially when it was Hart who, in the end, overcame the attacking Indians.
特別是當哈特最后戰勝了前來進攻的印第安人時，觀眾更能原諒他。