您要查找的是不是：
- beam observation port 束流观测窗
- Aluminum section glass observation port 铝型材玻璃观察窗、外形美观、密封良好
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The ship landed on the port beam. 船以左舷靠岸。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- They sighted land on the port beam. 他们在左舷方向看见了陆地。
- He was taken into hospital for observation. 他被送进医院观察。
- He struck the beam with his head. 他的头撞到梁上了。
- Careful observation convinced them that is was so. 仔细的观察使他们相信情况是这样的。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- Never heard of her. You're off the beam. 我从来没有听说过这个人，你搞错了吧。
- It's basically wrong to have observation taken off from hearsay. 以道听途说作为意见的根据是根本错误的。
- Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。
- He is a man of little observation. 他是个观察力极差的人。
- They decided to put him under observation. 他们决定监视他。
- Sighted land off the starboard beam. 转向右舷方向便望见了陆地
- He was under observation by the police. 他受到警方严密监视。
- The gymnast poised herself on the balance beam. 体操运动员在平衡木上保持平衡。
- The load on that beam is more than it will bear. 那根梁上的载重超过了它所能承受的量。
