请一到就给我们来封信或打个电报。用英语怎么说？

请一到就给我们来封信或打个电报。

Please write or cable as soon as you arrive.

please

int. 请；vt.& vi. 使高兴，使满意，讨人喜欢，讨好；

例句
She adored her parents and would do anything to please them.
她很爱自己的父母，为让他们高兴愿意做任何事。

write

vt.& vi. 写，写信，写作，作曲；

例句
The clinic doctor will then write to your GP to get his agreement.
然后门诊医生将会写信给你的全科医生以取得他的同意。

or

conj. 或，或者，还是，不然，否则，左右；prep. <古、诗>在…之前，比…更早；n. [纹章]黑金色、黑色；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

cable

n. 缆绳，绳索，[电学]电缆，（系船用的）缆绳，（船只、桥梁等上的）巨缆；vt. 发电报至，电传，固定系牢；vi. 拍发电报；

例句
Steel cable will be used to replace worn ropes.
将用钢缆替换磨损的绳索。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

soon

adv. 立刻，马上，一会儿，不久，快，宁愿；

例句
The minister advised him to leave as soon as possible...
部长建议他尽快离开。

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

arrive

vi. 到达，来，发生；

例句
Several long-awaited videos will finally arrive in the shops this month...
几部让人翘首企盼的录像片终于将在这个月到货。