孔口

blastopore

胚孔

当囊胚继续发育时,会向内凹陷形成原肠胚(Gastula),向内凹陷的孔洞则称为胚孔(Blastopore). 软体动物即以此种方式发育,胚孔的地方形成嘴部,此称为原口(mouth-first)动物. 另一种动物在发育时胚孔成为肛门,而在另一端发育成嘴,

Coreopsis tinctoria Nutt; golden or garden tickseed

孔雀草;蛇目菊(日本)

孔口;(氣孔的)開口 aperture ; pore | 孔雀草;蛇目菊(日本) Coreopsis tinctoria Nutt; golden or garden tickseed | 孔雀豆 circessian been; flower fence; red sandalwood tree Adenanthera pavonia L

tompion

锚链孔盖,炮口塞

"tombuoy","锚标,锚浮筒" | "tompion","锚链孔盖,炮口塞" | "tornado","龙卷风,强旋风"

handhole

探孔、注入口、筛眼

handhold摇把、手柄、扶手 | handhole探孔、注入口、筛眼 | hand hollow punch手动空心冲头

nephridiopore

肾管孔

肾管原细胞;肾母细胞 nephridioblast | 肾管孔 nephridiopore | 肾管口;肾口 nephridiostome

rodding eye

清扫口,通管孔盖

rod-type sweet potato harvester 杆式甘薯收获机 | rodding eye 清扫口,通管孔盖 | rodding structure (石英棒构造)杆状构造

hawse bolster

锚链孔唇口

hawse block 锚链筒上端塞 | hawse bolster 锚链孔唇口 | hawse bolster 锚链枕垫

hole,tapping

流出孔,出铁口

螺丝攻前孔径 hole sizes before threading | 流出孔,出铁口 hole,tapping | 打浆机 hollander

buttonhole mitral stenosis

二尖瓣口钮孔状狭窄

border of cardiac dullness 心浊音界 | buttonhole mitral stenosis 二尖瓣口钮孔状狭窄 | bradycardia dependent aberrancy 心动过缓依赖性心电脉冲传导偏差

buttonhole mitral stenosis

二尖瓣口钮孔状缩窄

buttonhole maker ==> 锁眼工 | buttonhole mitral stenosis ==> 二尖瓣口钮孔状缩窄 | buttress blade ==> 不对称梯形齿锯带

colonial rule：殖民统治

colonial protectorate;殖民保护地;殖民被保护国;; | colonial rule;殖民统治;; | Colonial Secretary;辅政司;;

matrimonial agency：婚姻介绍所

21 deep love 深沉的爱情 | 22 matrimonial agency 婚姻介绍所 | 23 lover,sweetheart 情人