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- Vertical wave: The vibration direction of the particle is parallel with the spread direction of the wave. 竖波:质点的振动方向跟波的传播方向平行的波。
- Shear wave: The vibration direction of the particle is perpendicular with the spread direction of the wave. 横波:质点的振动方向跟波的传播方向垂直的波。
- CONCLUSIONS: Lateral spread is the most common spread direction in nasopharyngeal carcinoma, followed by posterior spread, median spread, inferior spread, anterior spread, superior spread in turn. 结论：向外侧方侵犯是鼻咽癌最常见的侵犯方向，其次是向后方侵犯，其后依次是内侧方、下方、前方、上方。
- Discussion on the spreading direction of bituminous mixture 对沥青混合料摊铺方向问题的探讨
- What can we do to prevent the disease spreading? 我们能做什么来防止这种疾病蔓延呢？
- The smoke from chimney is spreading out in the sky. 烟囱冒出的烟正在空中散开。
- Moral taint has spread among young people. 道德的败坏在年轻人之间蔓延。
- In a little while we lost our sense of direction. 一会儿我们就辨不清方向了。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- It is John that/who is spreading the news. 传出消息的人乃是约翰。
- The signpost points in a westerly direction. 路标指向西。
- A hopeless future seemed to spread out before her. 展现在她面前的似乎是毫无希望的前途。
- He has spread a slice of bread with Jam. 他把面包片抹上了果酱。
- Are we going in the right direction? 我们走的方向对吗？
- He spread the news around the town. 他在镇上到处传播这一消息。
- Stones were flying about in every direction. 石块朝四面八方乱飞。
- The news soon spread to the farthest corner. 消息很快传到最远的角落。
- Fear spread through the crowd like a contagion. 人们心中的恐惧像瘟疫一样蔓延开来。
- He aimed his gun at the eagle spreading its wings. 他的枪瞄准那只展开翅膀的老鹰。
- He pointed vaguelyin my direction. 他粗略地朝我的方向指了指。
