1.rigid/stiff/unchanged/little change僵硬的,一成不變的
2.significant/enormous/dramatic/tremendous/appreciably/remarkable/crucial/巨大的
3.approximately,nearly, almost 將近地
4.proportion/percentage 比例
5.be involved (in)/involve in/involvement[n.]涉及,卷入,參與
6.given/considering , in regard to/despite/although有鑒于、考慮到,盡管
7.deplete 開采完,耗盡/exhaust–exhaust emission (尾氣)排放/exploit
8.capacity能力,容量/competence(競爭)能力/ability能力(籠統(tǒng)的)
9.a vast array of 系列/a great variety of 花樣,品種/a great rang 系列of
10.pesticide 殺蟲/suicide 自殺/homicide/murder殺人