Hi there, students. To top up, to bring the level or something up, usually bring it up to the brim out of the top. So maybe you are at a party and your glass is half empty. Someone comes and says, "would you like me to top up your glass"?, to fill it up again, yeah. Or maybe your mobile phone is almost up to its credit. So you go and buy a topup, you top up the amount of credit in your...on your mobile phone, increase it, bring it to the desire level, to maintain it at the desire level. A top-up, to increase, yeah. To increase something to an acceptable level, a reasonable level, yeah. So maybe you've known a lot of English and you are listening to these videos to top up your knowledge, to bring it up to the level which you consider acceptable, ok. So to top something up, to top up. If you enjoy this video, give it a rating; subscribe to my channel and I will see you soon. Bye for now.
各位!to top up, 是將標准或某物提升的意思,通常是將其提升至高出最高點的邊緣。
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