a Gordian knot
棘手的问题, 难解的结, 关键
热门单词
- above sea level
- abrim
- absolute boiling point
- absorbent power
- absorption function
- abstain from pleading
- acceptable principle
- acceptance of the bid
- acceptor
- access server
- accessory adrenal
- accessory gland
- according to schedule
- accounting item
- accrued expenses payable
- accumulation of excess cash balance
- accuracy of instrument
- acephalocystis
- aceptance of work
- acetobenzoic (acid)anhydride
- acetone bodies
