Lacking self-confidence and maturity, many teenagers are left feeling very vulnerable.许多十几岁的孩子既缺乏自信又不够懂事，所以感情上十分脆弱。Girls generally reach sexual maturity two years earlier than boys.通常女孩性发育成熟要比男孩早两年。Customers are told wha...
At maturity the root system is extensively nodulated.在成熟时,根系普遍具有根瘤.Humans experience a delayed maturity; we arrive at all stages of life later than other mammals.人类发育较缓——在生命的各个阶段，我们都晚于其他哺乳动物。Moreover, as time to maturity...
My body was on autopilot as I trailed through passport control, baggage reclaim and customs.我机械性地跟着通过了过境检查、行李认领和海关。The aircraft engines, autopilot, and navigation system are absolutely reliable.飞机发动机, 自动驾驶仪和导航系统绝对可靠.She ...