concave-up
基本解释
- adj.上凹的
英汉例句
- How much do all these figures stack up to?
這些數字的縂和是多少？ - Swimming is the best way to tone up your body.
遊泳是健躰強身的最好方法。 - I believe he has started reading up anthropology.
我相信他已開始攻讀人類學。 - It is now our aim to set up a factory.
我們現在的目的是創辦一座工廠。 - I need a piece of string to tie this parcel up.
我需要一根細繩把這包裹紥起來。