1·The US has always been a remarkably mobile country, but new data from the Census Bureau indicate that mobility has reached its lowest level in recorded history.
美国一直是一个流动性很强的国家，但美国人口普查局的最新数据显示，美国的人口流动率已降至有记录以来的最低水平。
2·He's got an O level in Russian.
他通过了俄语普通证书考试。
—— 《牛津词典》
3·In her current role she broke through the glass ceiling as the first woman to reach senior management level in the company.
在她目前的职位上，她突破了那道升迁的无形障碍，成为公司里第一位升至高级管理层的女性。
—— 《柯林斯英汉双解大词典》
4·The water clock told the time by the water level in the bowls.
水钟是根据碗中的水位来报时的。
5·Huawei has got the highest level in 5G field in China, even in the world.
华为在 5G 领域已经达到了中国乃至全世界的最高水平。
6·Heavy rain and melting snow have swollen the river to its highest level in decades.
暴雨和积雪融化已经使该河流水位到达几十年来的最高水平。
7·It ranges from sea level in the Polar Regions to 4,500 meters in the dry subtropics and 3,500-4,500 meters in the moist tropics.
它的范围包括海平面的极地地区、4500米高的干燥的亚热带地区以及3500-4500米高的潮湿的热带地区。
8·The contribution of the recent model is to show that the winds of an El Nino, which raise sea level in the cast, simultaneously send a signal to the west lowering sea level.
最近的模型的贡献在于，它显示了厄尔尼诺现象的风在使海平面上升的同时，也向西方发出了海平面下降的信号。
9·A car of the lowest level in section.
这是一列长途列车的一节车厢。
10·The next level in DB2 is the package level.
DB2 中的下一个级别是包级别。