camphine

英式音标：['kæmfi:n]

美式音标：['kæmfin]

词义：

n.

（旧时点灯用的）精制松脂；

英英释义

Camphine

Camphine was the trade name of a purified spirit of turpentine formerly used for lamps, generally prepared by distilling turpentine with quicklime. Camphine gives a very brilliant light when burned in a lamp, but, to prevent smoking, the lamp must have a very strong draught.

以上来源于:Wikipedia

用法：

权威例句

On the use of a mixture of spirit of wine and camphine, as a light for optical purposes

XXXI. On the use of a mixture of spirit of wine and camphine, as a light for optical purposes

On the use of a mixture of Spirit of Wine and Camphine, as a Light for Optical Purposes / by John George Children

[Syntheses in the isocamphine series. VI. (+) and (-) Isocamphenilanic acid]

Prüfung von Camphinelampen in Vergleich mit Gas, Oel und Wachs

Observations on the above planet, made in the United States, at the Philadelphia high school, state of Pennsylvania

Effect of amino acids application and different water regimes on the growth and volatile oil of Rosmarinus officinalis L. plant unde...

Prüfung von Camphinelampen in Vergleich mit Gas, Oel und Wachs

Prüfung von Camphinelampen in Vergleich mit Gas, Oel und Wachs (p 314-317)

ASPHALT PAVEMENT RECYCLING METHOD AND COMPOSITIONS

造句：

1. Overall, barter is a very inefficient means of organizing transactions.

总之，易货贸易是一种效率很低的交易形式。

来自柯林斯例句

2. Non-state firms gradually elbow aside the inefficient state-owned ones.

非国有企业逐渐挤掉了效率低下的国有企业。

来自柯林斯例句

3. The protesters say the government is corrupt and inefficient.

抗议者称政府腐败无能。

来自柯林斯例句

4. The train company is overstaffed and notoriously inefficient.

铁路公司冗员过多，工作效率出了名地低。

来自柯林斯例句

5. The welfare system is grossly inequitable and inefficient.

福利制度非常不公平，效率也极低。

来自柯林斯例句

[ inefficient 造句 ]