1.
Nerve gases are clear and colorless, and they can be odorless or have a slight, sweetish smell.
神经毒气透明无色，可以是无气味的也可以是稍带甜味的。
2.
The violets of Japan are, as a rule, odorless.
日本的紫罗兰通常是无气味的。
3.
It is a colourless, odourless and tasteless gas, slightly heavier than air.
它是一种无色、无溴、无味的气体，比空气稍重。
4.
a colorless odorless gas used as fuel.
一种无色无味的气体，用作燃料。
5.
a beery taste, smell
啤酒的味道、 气味
6.
NF3 is a colorless gas. Trace quantities of impurities can impart a musty or pungent odor to the gas.)
NF3是无色气体。痕量的杂质会使气体带有一种霉味或刺激性气味。
7.
Hydrogen is a colorless, odorless, tasteless, highly flammable gas. It is also the lightest-weight gas.
氢是无色、无嗅、无味、极易燃的气体。它还是最轻的气体。
8.
smell carried by the wind
（空气传送的）气味
9.
Oxygen is the second largest component of the atmosphere, comprising 20.8% by volume. Gaseous oxygen is colorless, odorless, tasteless, and nonflammable.
氧是空气的第二大组成成分，体积占20.8%。气态氧无色，无嗅，无味，不可燃。
10.
The cream has no smell.
这种奶油无特殊气味.
11.
The beer is flat and tastes like pennies.
啤酒没了气泡，索然无味。
12.
Lacking animation, variety, or distinction; dull.
无精打彩的，乏味的缺少生气、变化或差别的；乏味的
13.
a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts.
在地球的大气层中少量存在的无色无味的惰性气体。
14.
a meaty smell, taste, etc
似肉的气味、 味道等.
15.
a sickly smell, taste, etc
令人作呕的气味、 味道等
16.
a vile smell, taste, etc
令人厌恶的气味、 味道等
17.
very offensive in smell or taste.
气味或味道极为刺激的。
18.
with a pungent taste or smell.
有刺激性的味道或气味。