birth-death ratio
un. 出生死亡比率
[网络] 生死比率
热门查询
- foundling n. 弃儿；开除的学员
- sandlot n. 小孩们的运动用空地；沙地
- range n. 范围；幅度；排；山脉 vt. 漫游；放牧；使并列；归类于；来回走动 vi. （在...内）变动；平行，列为一行；延伸；漫游；射程达到
- sinusoidally adv. sinusoid的变形
- abseil n. 沿绳滑下法
- hydrologic adj. 水文的
- CNRS [医][=citrated normal rabbit serum]含枸橼酸盐的正常兔血清
- parched adj. 焦的；炎热的；炒过的；干透的 v. 烘干；使极渴（parch的过去分词）
- epc abbr. early phase change 早期变化; easy processing channel 易处理通道
- diver n. 潜水者；跳水的选手；潜鸟 n. (Diver)人名；(法)迪韦；(英)戴弗
- dismayingly adv. 令人沮丧地；令人惊愕地
- sunspot n. 太阳黑子；雀斑
- audiology n. [耳鼻喉] 听力学；[耳鼻喉] 听觉学
- choking v. 阻塞；使…窒息；抑制（choke的ing形式） adj. 令人窒息的；透不过气来的
- competency n. 能力（等于competence）；资格
- Beauvoir n. (Beauvoir)人名；(法、西)博瓦尔；(英)比弗
- rush hour n. (上,下班的)高峰期 [网络] 尖峰时刻；高峰时间；尖峰时间
- slide n. 滑动；幻灯片；滑梯；雪崩 vt. 滑动；使滑动；悄悄地迅速放置 vi. 滑动；滑落；不知不觉陷入
- timelessness n. 永恒，不朽；不受时间影响
- ripper n. 撕裂者；粗齿锯；裂具 n. (Ripper)人名；(德、匈、葡)里佩尔
考试词汇表
- teleprogram assembly system
- telescope jib (sliding jib)
- telescope objectives lenses
- telescopic mouth instrument
- telescopic settlement gauge
- telescopic shear viscometer
- telescopic sighting alidade
- telescopic style spring bar
- telescopic working platform
- telescopic-shear viscometer
- telescoping aerial platform
- telescoping boom attachment
- telescoping steering column
- teletex terminal identifier
- teletype serial data format
- teletypewriter control unit
- teletypewriter transmission
- television blanking circuit
- television camera amplifier
- television cloud photograph
