美[tr?kt] 1 . A cold is an infection of the upper respiratory tract .
感冒是上呼吸道的感染。
來自柯林斯例句
2 . Water is ideal to flush the kidneys and the urinary tract .
用水清洗腎臟和尿道最理想不過。
來自柯林斯例句
3 . She produced a feminist tract, "Comments on Birth-Control", in 1930.
她1930年寫了篇女性主義的短文《論節育》。
來自柯林斯例句
4 . A vast tract of land is ready for development.
一大片廣闊的土地可待開發。
來自柯林斯例句
5 . Foods are broken down in the digestive tract .
食物在消化道里分解。
來自柯林斯例句
1.an extended area of land
2.a system of body parts that together serve some particular purpose
3.a brief treatise on a subject of interest; published in the form of a booklet
4.a bundle of mylenated nerve fibers following a path through the brain
