曝光臺 注意防騙 網曝天貓店富美金盛家居專營店坑蒙拐騙欺詐消費者

three months’ notice.  the student
pilot is grounded until further notice
the student pilot cannot fly again until
told by those in authority that he or she
can continue  verb to observe
While
noticeable 158
doing the pre-flight checks, Captain
Smith noticed that there was a leak of
hydraulic fluid from one of the brake
cylinders.
noticeable noticeable /nəυtsəb(ə)l/ adjective
catching the attention, easily noticed  a
noticeable increase an increase which
is important enough to be observed

There was a noticeable improvement in
the trainee’s recent exam results.
notice board notice board /nəυts bɔd/ noun a
usually wooden board in a corridor or
classroom, etc., where information on
paper can be displayed
notification notification /nəυtf|keʃ(ə)n/
noun the act of informing somebody
about something
Notification of the
new procedures will follow in a few
days.
She received notification that
she had been accepted for the job.
notify notify /nəυtfa/ verb to inform
Students
were notified of their exam results
by post.
The authorities must be notified
of all in-flight incidents.
nozzle nozzle /nɒz(ə)l/ noun a projecting
part with an opening at the end of a
pipe, for regulating and directing a flow
of fluid
The nozzle of a portable fire
extinguisher should be pointed at the
base of the fire.
nucleus nucleus /njukliəs/ noun the central
part around which other parts are
grouped
An atom consists of a nucleus
with orbiting electrons.
Condensation
occurs on very small particles suspended
in the air which are known as
condensation nuclei. (NOTE: The plural
form is nuclei.)
null null /nl/ noun an instrument reading
of zero  the null position the zero
position
Nulls are used for direction
sensing because they are better defined
than the maxima.
numerical numerical /nju|merk(ə)l/ adjective
referring to numbers or digits
numerical value numerical value /nju|merk(ə)l
vlju/ noun a number
numerous numerous /njum(ə)rəs/ adjective
very many, a lot
Large transport aircraft
have numerous clearly-marked
exits to facilitate rapid evacuation of
passengers.
Numerous refinements to
the simple actuator will be found in use.
nut nut /nt/ noun a metal ring which
screws on a bolt to hold it tight
Turn
the nut anticlockwise to loosen it.
O
OAT OAT abbreviation 1. operational air
traffic 2. outside air temperature
obey obey /ə|be/ verb 1. to carry out or
comply with a command
Pilots must
obey landing instructions. 2. to follow a
physical law
Winds obey Buys Ballot’s
Law.
OBI OBI abbreviation omni-bearing indicator
object object /ɒbd"ekt/ noun 1. something
that you can touch and see and that has
a particular form and dimensions
Any
given object will collect more ice when
travelling at high speed than at low
speed. 2. intention or aim
The object
of the briefing is to inform all aircrew of
the new procedures.  verb /əb|d"ekt/
to raise or voice opposition
Staff
objected to the introduction of longer
working hours.
oblong oblong /ɒblɒŋ/ adjective rectangular

an oblong piece of aluminium  noun
a rectangle
OBS OBS abbreviation omni-bearing selector
obscure obscure /əb|skjυə/ adjective not
clearly understood  the explanation
was obscure the explanation was difficult
to understand because it wasn’t
clear  verb to make difficult to see

Deposits of ice crystals on the windscreen
will obscure vision.
obscured obscured /əb|skjυəd/ adjective 
sky obscured a meteorological term to
mean that fog or mist prevents sight of
the sky
observation observation /ɒbzə|veʃ(ə)n/ noun
careful watching
The type of cloud is
established by observation and comparison
with cloud photographs.
observe observe /əb|z%v/ verb to watch carefully

Local wave action can be
observed from a height of 200 feet.

Wing deflection can be observed from
the passenger cabin.
observer observer /əb|z%və/ noun a person
working in a meteorological station
who assesses weather conditions by visual
means
Meteorological visibility is
the greatest horizontal distance at
　
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