An individual's sex and characteristics are determinded by their unique set of genes.
个人性别和性格是由他们特有的一套基因决定的。
The feature started at 9 o'clock and ended at 11:30.
放映在9点钟开始了并且将在11:30结束了。
since her parents had impressed upon her that it would be unforgivable to miss it and cause the friends with whom she was going to stay to make two journeys to meet her.