- 相关词组
- underwater works水下构筑物
- underwater concrete水下混凝土;
- underwater swimming潜泳;
- swim underwater潜泳;
- projectile motion抛物运动;抛体运动;
- underwater zero水下爆炸中心
- underwater explosion水下爆炸;
- underwater robot水下机器人;
- underwater welding水中焊接
- underwater working station水下作业站
- underwater diving潜泳;
- underwater sound水（下）声（学）;
- underwater weapons station水下武器站
- underwater acoustics水声学;
- underwater blasting水底爆炸;
- rocket projectile火箭，喷气火箭;
- go underwater潜;
- unguided projectile无导向装置的射弹
- underwater cutting水中切割;
- underwater bulldozer水下推土机;
- 今日热词
- 热门搜索
- Miss. abbr.Mississippi 美国密西西比州州名;
- fond adj.喜欢;深情的;愉快的;不切实际的;
- pencil-case n.铅笔盒
- till prep.到…时;直到…为止;n.收银机;钱柜;
- timestamp 时间戳
- on the rocks 触礁的;（婚姻）濒于破裂的;身无分文的;（企业等）濒临失败;岌岌可危;（酒等饮料）加冰的;加冰块的;
- fail v.失败;没有做;出故障;倒闭;衰弱;不够;不及格;评定不及格n.考试不及格;
- medium adj.中等的;中间的;不深不浅的;n.方式;媒介;巫师;材料;介质;
- harbor n.海港;海湾;避难所;躲藏处;vt.& vi.心怀;庇护;避入安全地;（船）入港停泊;
- Russia n.(1917年以前的)俄罗斯帝国;现俄罗斯;俄罗斯联邦;
- simply adv.仅仅;简朴地;
- eye n.眼睛;视力;眼状物;vt.定睛地看;注视;审视;细看;
