1.
To send out rays or waves.
放射，辐射发出射线或波
2.
Isotopes which give off rays are known sa radioisotopes.
辐射出射线的同位素被为放射性同位素。
3.
spectral radiation exitance
光谱辐（射）出（射）度
4.
ejaculation:The act of ejaculating.
"射出,排放:射出的动作."
5.
To hurl or launch from or as if from a catapult.
射出从或似从弹弓上发射或射出
6.
To eject or discharge abruptly, especially to discharge(semen)in orgasm.
射出，射（精）突然射出或排泄，尤指在性高潮中射（精）
7.
radiations emitted by an X-ray machine X
射线机放射出来的放射线.
8.
launch a blow, a missile, a torpedo, a satellite
发出一击、 发射导弹、 发射鱼雷、 发射卫星
9.
To shoot or discharge(a missile, such as an arrow).
射投射或发出（发射物，如箭）
10.
To emit(light, for example) in or as if in rays.
放射以射线或象以射线一样发出（光）
11.
To make an emergency exit from an aircraft by deployment of an ejection seat or capsule.
弹射出利用弹射座椅或弹射座舱从飞行器紧急出口弹射出来
12.
Word like arrows, which is easily shoot out, but hardly get in again.
言出如射箭，射出容易返回难。
13.
emitter follower
射极跟随器;发射极输出放大器;发射极输出器
14.
Something that issues from a source;an emission.
散发物，发射物从一发射源发出的东西；发射物
15.
(the sending out of)rays and atomic particles from radioactive substances
（自放射性物质中放射出的）射线和原子粒子
16.
Radioactivity is the ejection of particles or radiation from the nucleus.
放射性是原子从核中射出粒子或辐射的现象。
17.
exhibiting or caused by radioactivity.
显示出放射能或者由放射能导致的。
18.
Premature ejaculation Ejaculation before the man wants it to occur.
早泻：在男子希望射精之前就射出。