精讲巧练
重点词汇
scale
【原句回放】 However, it was not until the eighteenth and nineteenth centuries that the exploration of the botanical world began on a large scale. (P32)
【点拨】scale n. the size of sth. , especially when it is big 意为“大小，规模”，on a large scale 表示“规模宏大的”，还表示“等级； 比例，尺度”
如：Any public demonstrations（游行）on a large scale without the permission of the city
authorities is antisocial.
The scale of this map is one centimeter to the kilometer.
A machine for weighing people has a scale from one pound to 300 pounds on it.
