# English learning note
## vocabulary

- **trim**
trimming the clock for the ultimate precision
- **fleet**
deploy a fleet of workstations
- **intricate**
an intricate state machine
- **oscillator**
- **wander**
- **heuristic**
The state machine measures the incidental roundtrip delay jitter and oscillator frequency wander and determines the best poll interval using a heuristic algorithm.
- **craft**
This program does not have the crafted signal processing, error checking and mitigation algorithms.
- **volley**
- **groom**
With this keyword a volley of messages are exchanged to groom the data and the clock is set in about 10 s.
- **mourning**
After a suitable period of mourning, the ntpdate program may be retired.
- **discipline**
A useful feature is available to discipline the clock frequency.
- **intrinsic**
Record the intrinsic clock frequency offset in the frequency file.
- janitor
- replication
- fond
- choke
- tributary
- outage
- self-heal
- irregularity
- vanish
- metallic
- optical
- recessive
- counter-revolving (反向旋轉)
- counter-clockwise
- chronologically
-
## Phrase
- all along
- a flock of
- bring back
- fond memories of

## The all new switch book
- delve into the details of ...
- relevance to ...
- relevant to ...
- unambiguously
- in any case
- novice-level
- facet of ...
- treatise on ...
- take advantage of
- idiosyncrasy
- endemic to
- separate the totality of ... into discrete partitions
- in the sections that follow, ...
- take a look at ...
- be concerned with ...
- circuitry
- in nature
- intact
- residual
- at a minimum
- Ultimately
- throughout the book
- crucial
- in-depth
- accommodate a wide variety of ...
- in ..., ... is where the buck stops
- The buck stops here
- shield ... from ...
- nasty
- so to speak
- get one's drift
- reverence
- to be worshipped
- deity
- flawed
- utter
- in particular
- dissimilar
- dichotomy between ...
- to be fair
- subsume
- difficult-to-maintain
- spaghetti code
- futile
- innards
- best-effort
- tear something down
- inoperative
- non-functioning
- as always
- luscious
- sporadically
- vast majority of ...
- incur
- error prone
- swamp
- inadequate
- in this manner
- contrived
- amalgamated
- provision
- By definition,
- Strictly speaking,
- extent
- cadre
- As such,
- side benefit
- advent
- consciously
- take an approach to ...
- opt to ...
- endorse
- prune
- emanate
- Granted,
- make sparse use of the available space
- waive
- depletion
- shorthand
- canonical