这款相机既坚固耐用，又有超凡的光学性能和快门速度。The camera combines rugged reliability with unequalled optical performance and speed.摄影师停止按动快门，匆匆绕过拐角。The photographer stopped clicking and hurried around the corner.对这类相机而言，快门的速度是固定的。With this t...
invertebrate zoology无脊椎动物的动物特性soil invertebrate土壤无脊椎动物Half of all invertebrate species live in tropical rain forests.一半的无脊椎动物物种生活在热带雨林中.marine invertebrate海洋无脊椎动物Cropland surface soil invertebrate living in it is conside...
There's such pressure to be happy in Hawaii, if you're unhappy you're on a guilt trip...就好像去夏威夷就一定要开心似的，如果你不开心，你会一个劲儿地感到愧疚。Nowhere is language a more serious issue than in Hawaii...没有哪个地方像夏威夷那样，语言成了如此重要的问题...