1.
Application of Hydraulic Pressure System of Umbrella Drill to the Construction of Shaft in Hard Rock
液压伞钻在立井硬岩段施工中的应用
2.
To descend by means of a parachute.
跳伞，伞降用降落伞下降
3.
parachute back pack
降落伞之后挂包、主伞包
4.
parachute front pack
降落伞之前挂包、副伞包
5.
The umbrella keeps the rains off the user.
雨伞使撑伞人免受雨淋。
6.
To engage in the sport of skydiving.
参加延缓张伞跳伞运动.
7.
To deliver by parachute.
伞投，空投用降落伞投放
8.
A parachute, such as one for pilots or skydivers.
降落伞飞行员或跳伞者的降落伞
9.
Having, forming, or of the nature of an umbel.
具有伞状花序的，形成伞状花序的，伞状花序的
10.
Testing System and Course Simulation of Parachute Opening and Landing Shock;
伞兵伞开伞、着陆过载测试系统及过程仿真
11.
"Would you like a foreign umbrella, Brother?
“喂，阿弟，买洋伞么？
12.
take an umbrella just as a precaution
带把伞, 有备无患
13.
unit-type drill head
组合钻床钻头, 标准钻头
14.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
15.
Hold on to your umbrella so that it does not Blow away.
"紧握住你的伞,以免伞被风吹走。"
16.
A branch of an umbel.
伞形花枝序伞形花序的分枝
17.
the umbrella-like part of a parachute that fills with air.
充满空气的像伞的降落伞的一部分。
18.
A compact, cymose cluster of flowers.
团伞花序密集而无柄的聚伞花序