ad.

1. 也，亦；還
   John is also 19 years old.

   約翰也是十九歲。

2. 同樣地
   Since you've accepted the invitation, I'll also accept it.

   既然你已接受邀請，那我也接受邀請。

conj.

1. 又；並且
   Also, he has gone abroad.

   再者，他已去了國外。

adv.