热带风暴“埃内斯托”在周二晚些时候擦过波多黎各后不久有望升级为飓风，当地官员关闭学校、开放避难所，并将波多黎各的数十只濒危鹦鹉转移到防风房间。“埃内斯托”预计在夜间升级为飓风，其中心将在波多黎各东北部移动，朝着百慕大方向前进。气象预报员对美属维尔京群岛、英属维尔京群岛以及波多黎各的别克斯岛和库莱布拉岛发布了飓风监测和热带风暴警报，这些岛屿深受游客欢迎。美国国家飓风中心表示，由于“埃内斯托”在靠近维尔京群岛时有一定可能升级为飓风，所以飓风监测仍然有效。周二晚上，风暴经过美属维尔京群岛。在经过波多黎各后，预计它将进入公海，并在周五靠近百慕大。

• 词汇：“poised”：表示“处于准备状态”，可学习其用法和搭配，如“be poised to do sth.”。
  
  “brush past”：“擦过”，形象的动词短语。
  
  “endangered”：“濒危的”，可用于描述濒危物种等。
  
  “forecast”：作动词表示“预报”，也可作名词“预报”。
  
  “tropical storm”：“热带风暴”，气象相关词汇。
  
  “hurricane”：“飓风”，重要气象词汇。
  
  “watch”：在文中表示“监测”，可学习其多义性。
  
  “warning”：“警报”，常见表达。
  
  


• 语法：“Ernesto is forecast to become a hurricane overnight as the center of the storm moves just northeast of Puerto Rico on a path toward Bermuda.”：使用了被动语态“be forecast to do sth.”，可学习被动语态在天气预报等场景中的应用。
  
  “Since there is some chance of Ernesto becoming a hurricane while it is near the Virgin Islands, a hurricane watch remains in effect.”：“since”引导原因状语从句，“while”引导时间状语从句，可学习复合句的结构和用法。

• 原文：

Tropical Storm Ernesto was poised to become a hurricane shortly after brushing past Puerto Rico late Tuesday as officials closed schools, opened shelters and moved dozens of the U.S. territory’s endangered parrots into hurricane-proof rooms.Ernesto is forecast to become a hurricane overnight as the center of the storm moves just northeast of Puerto Rico on a path toward Bermuda. Forecasters issued a hurricane watch and tropical storm warning for the U.S. and British Virgin Islands as well as the tiny Puerto Rican islands of Vieques and Culebra, which are popular with tourists.“Since there is some chance of Ernesto becoming a hurricane while it is near the Virgin Islands, a hurricane watch remains in effect,” the U.S. National Hurricane Center in Miami said.The storm moved over the U.S. Virgin Islands on Tuesday night. After passing Puerto Rico, it is expected to move into open waters and be near Bermuda on Friday.