1.effective adj.有效的;起作用的
Condoms are an effective method of birth control if used with care.
如果使用得当,避孕套是很有效的避孕手段。
2.stroke n.中风
He had a minor stroke in 1987, which left him partly paralysed.
他1987年曾患轻度中风,之后就半身不遂了。
3.phrase n.<语>短语;成语<语>语>
The phrase was not meant to be taken seriously.
此话不必当真。
4.benefit n.利益,好处
Each family farms individually and reaps the benefit of its labor.
各家经营各自的农场,收获各自的劳动成果。
5.raw adj.生的
Use separate chopping boards for raw meats, cooked meats, vegetables and salads.
切生肉、熟肉、蔬菜和拌色拉的青菜时要使用不同的切菜板。












