词汇	curved clamp
释义	curved clamp 弯夹
随便看	precontact position precontact sperm-egg communication precontain precontamination precontemplation precontemplators precontest pre-contest psychological training precontinent Precontinent project precontinuou domain precontinuous order-homomorphism precontour precontract pre-contract pre-cont ract Pre-Contract Cost Letter pre-contract costs precontracted pre-contracted information precontracting pre-contracting obligation precontracting power precontraction precontractive