附加费的英文：
additional
associate charge
cover charge
premium
extra charge
surcharge

参考例句：

The government introduced a 15% surcharge on imports.
政府对进口产品加收15%的附加费。

A 10% surcharge on the price of a holiday.
在度假费用之外增收的10%附加费。

There 's a small charge of 25 cents a day extra.
每天要收25美分附加费。

a 10 supplement for a single room with a shower
带淋浴间的单人房间需付10英镑附加费.

The OPEC countries have decided to impose a surcharge on the oil price for the fourth quarter.
欧佩克成员国已决定对延缓四季度油价征收附加费。

They've surcharged us 10% on the price of the holiday because of a rise in air fares.
因飞机票涨价，他们在度假费用中向我们增收了10%附加费。

"They are different in charge. For a personal call, we charge for a supplementary fee."
B这两种电话的收费是不同的。对于叫人电话，我们要加收××附加费。

additional是什么意思：
adj. 附加的，另外的

There is no room for addition.
没有增加的余地。

addition or extension that prolongs sth
增加或延长的部分.

He is very clever at addition.
他擅长加法。

associate是什么意思：
v. 打交道；联想，使发生联系
n. 同事，伙伴；相关物，附属物；准会员
adj. 联合的，合伙的；副的

association centre
联合中枢

Association of Infant Formula Manufacturers
婴儿配方奶制造商协会

The Association holds an annual reunion.
这个协会每年聚会一次。

charge是什么意思：
n. 费用；电荷；掌管；控告；命令，指示；指责
v. （使）充电；使承担；指责；装载；索价；向前冲；控告；把...记入帐册

charge the enemy
向敌人冲去

mileage charges
按英里程计算的运费

What is this charge for?
这项费用是什么？