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- dense primary annulus 行星传动第一级固定齿轮
- He thinks of new york as a den of iniquity. 他认为纽约是个藏污纳垢之处。
- He has made his house a den of thieves. 他把自己的家变成了一个贼窝。
- The liner ran down a fishing-boat during the dense fog. 班轮在浓雾中撞沉了一只渔船。
- The bears den up together during the winter. 冬天熊一起在洞穴里冬眠。
- He thought of New York as a den of iniquity. 他认为纽约是个藏污纳垢之处。
- Traffic was interrupted by a dense fog. 交通因浓雾而受阻。
- The bar in the slum is a den of iniquity. 这个贫民窟里的小酒吧是一个充满罪恶的场所。
- They hewed their way through the dense jungle. 他们在浓密的丛林里开辟出一条路来。
- The police tracked the thieves to their den. 警察跟踪小偷，直到他们的老窝。
- I can't see anything in this dense mist. 这样的浓雾里，我什么也看不见。
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- He is so dense he'll never amount to anything. 他十分愚钝,决不会有出息。
- Traffic slowed down because of the dense fog. 因浓雾车辆减速行驶。
- We fought our way through dense forest. 我们奋力通过密林。
- A dense mass of black hair framed his face. 浓密的黑发衬托着他的面庞。
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Sure. We are friends since primary school. 当然，我们从小学就是朋友了。
- I started primary school when I was 5 years old. 我五岁时开始读小学。
- A primary cause of Tom's failure is his laziness. 懒惰是汤姆失败的主要原因之一。
