1.
a heater that burns gas for heat.
燃烧气体放出热量的加热器。
2.
To release(a gas, for example) from combination.
释出从某种混合体中释放或放出（如气体）
3.
Gaseous excretion takes place by diffusion through the stomata and lenticels.
气体通过气孔或皮孔释放的方式排出。
4.
The acid acts on the metal and a gas is given off.
这种酸使金属起反应，并放出气体。
5.
Then a brown vapour is given off.
这时会放出一种棕色的气体。
6.
Students Running into Track Troubl
学校里的塑胶操场会放出有毒气体?
7.
All the gas is liberated on boiling.
沸腾时，气体全都释放出来了。
8.
Some polluting gases are released from those workshop.
那些工厂释放出一些被污染过的气体。
9.
(of a gas e.g.) released from chemical combination.
（例如指气体）从化合作用中释放出来的。
10.
Punch down and sprinkle baking powder evenly on surface and knead until combined.
面团放在案台上，用手排挤出气体。
11.
chemicals that produce a noxious vapor when mixed.
化学物质混合后会放出有毒气体
12.
A gas released in free space would expand indefinitely.
在自由空间放出的气体将无限膨胀。
13.
If plastic and rubber are burnt, they'll give off poisonous gases.
塑料和橡胶燃烧，就会放出有毒的气体。
14.
beetle that ejects audibly a pungent vapor when disturbed.
一种甲虫，受扰时放出刺激的气体并发出响声。
15.
a cord that is pulled to open the gasbag of a balloon wide enough to release gas and so causes the balloon to descend.
一种拉开气球放出其中的气体从而使气球降落的绳索。
16.
gaseous discharge lamp
(荧光)气体放电管
17.
gas discharge etching
气体放电蚀刻[法]
18.
In large cities people breathe in dangerous gases from cars and chimneys.
在城市，人们吸进汽车、烟囱排放出来的有害气体。