1. 厚壳滑车：bollardtrial 系柱试验 | bollock 厚壳滑车 | bollockblock 厚壳滑车
bollock的反义词
1. Listen, somebody has dropped a bollock in the noodles here. 听着，有人脑子发昏，犯了大错
noun
1. a pulley-block at the head of a topmast
Synonym: bullock block
2. one of the two male reproductive glands that produce spermatozoa and secrete androgens
e.g. she kicked him in the balls and got away
Synonym: testis testicle orchis ball ballock nut egg