如何區分callup和callon

call up打電話召集，召喚

call on呼籲，約請，拜訪

call on

1) 拜訪

I'll call on him tomorrow.

明天我去拜訪他.

2)號召呼籲

3)邀請

call up:

(1) 打電話給

make a telephone call to

[例句]

Call me up tomorrow：my telephone number is 536291.

請明天打電話給我：我的電話號碼是536291.

(2) 打電話

make a telephone call

[例句]

This morning someone called up from downtown and asked to see me at two o'clock.

今天早上有人從市裏打電話來，要求在兩點鐘時來看我.

(3) 喚醒

arouse from sleep

[例句]

Shall I call you up at six tomorrow morning?

我明天早上六點鐘叫醒你好嗎?

The doctor was called up three times last night.

昨夜醫生三次被從牀上叫起來看病.

callup釋義：

n. 徵召（服役）召集

例句：

Little implied that one reason for being non-committal is the repercussions a callup would have on his current club.

小暗示不確定的一個原因，是叫人上來對他的球隊所造成的影響。

callon釋義：

n. (Callon)人名(法)卡隆

例句：

If the aliens really are landing， this latest picture seems to confirm that their first port of callon Earth will be Russia.

如果外星人真會登陸地球，那麼這張最新照片似乎可以證明他們的首個著陸點將會是俄羅斯。