查询词典 double-barrel

double fertilisation：双受精,双受精作用

double circulation 双循环 | double fertilisation 双受精,双受精作用 | double helix 双螺旋

double fertilization：双重受精

double dominant 双重优势种 | double fertilization 双重受精 | double flower 重瓣花

double fertilization：双受精; 双受精作用

double circulation雙循環 | double fertilization雙受精; 雙受精作用 | double heilx雙螺旋

double prism field glass：双棱镜望远镜

double pass planar dye laser amplifier 双程平面染料激光放大器 | double prism field glass 双棱镜望远镜 | double protractor 双斜量角器

Double figuration：二重音型法

"复呈示部","Double exposition" | "二重音型法","Double figuration" | "二主题复格","Double fugue"

double layer fluorescent screen：双层荧光屏

double layer fibre 双层型纤维 | double layer fluorescent screen 双层荧光屏 | double layer iron sheet electric furnace 双层铁皮电炉

double focusing：双聚焦

double fertilization 双受精 | double focusing 双聚焦 | double focusing mass spectrometer 双聚焦质谱仪

double focusing：氟哌啶醇说明书 spectrometer 双聚焦质谱仪

double focusing 双聚焦 | double focusing 氟哌啶醇说明书 spectrometer 双聚焦质谱仪 | double helix 双螺旋

double-acting hand force pump：双作用手摇泵

double-acting engine 双作用式发动机 | double-acting hand force pump 双作用手摇泵 | double-acting hinge 双面铰链

double-acting hand force pump：以作用手摇泵

double-acting engine 双作用式发动机 | double-acting hand force pump 以作用手摇泵 | double-acting oil cylinder 双作用油缸

McKenna：麦肯纳(姓氏)

officers n.政府官员, 军官, 警官, 船长vt.指挥 | mckenna 麦肯纳(姓氏) | disappointing adj.使人失望的, 令人失望的

rapid：激流

他们穿过很多美丽的峡谷,绕过无数大瀑布(cataract)、激流(rapid)和瀑布(waterfall). 带着仅有的两艘船,和几乎完全耗尽的给养,剩余的六个人终于到达了维尔京河(Virgin)的摩门教定居点. 这里,是他们一百天探险的终点.