核心词议：

速记方法


知识扩展


中文词源： treeline
精选例句

常见考点例句：

Wasp photographed climbing on the outside of a dirty window , side-lit by late afternoon sun , against a clear sky and forest treeline .

拍摄了一只黄蜂的照片，它爬在一扇肮脏窗户的外面，傍边照着傍晚的太阳，背着晴朗的天空和森林的树木线。

New tests by gutmann indicate that a laser instrument installed high above treeline in the rocky mountains west of boulder can measure 10 feet or more of snow with an accuracy as fine as half an inch or better .

古特曼新的测试表明，安装在博尔德以西的落基山脉高于树线以上的激光仪器，可以测量10英尺以上的积雪，和测量半英寸的精度相当或更好。