解释:大部分鸟类都是雄性的,而雌鸽却是雌性的,说明了鸟类性别的特殊性。
Customer loyalty is earned through consistency, quality, and a genuine commitment to their needs.
忠于自己,永远不要为任何人牺牲自己。
The idea of a multiverse is a natural consequence of the inflationary universe model.
Innovation is the backbone of the oil industry; without it, we stagnate.