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First Graze：着地点

弹头膛外弹道中,比较接近地面而能击中人体目标的区域,从弹头高度低到能击中人的头部的接触点(first catch)那一点算起,到弹头的着地点(first graze)为止,二者之间的地带.

head first entry：头前入水

足下入水 feet first entry | 头前入水 head first entry | 面镜排水 clearing mask

She fell head first down the stairs：她摔倒了,一头栽下楼梯

■head first 头在前的 | She fell head first down the stairs. 她摔倒了,一头栽下楼梯. | ■keep one's head above water 未举债、未陷入困境等

In the first instance：首先

in the final analysis 归根到底 | in the first instance 首先 | in the first place 首先

first inning：第一轮,第一次发球权

finishing shot 决定得分的一击 | first inning 第一轮,第一次发球权 | first server (双打)第一次发球员

first inning：发球权

第三产业 third/tertiary industry, service sector, third sequence of enterprises | NO.1发球权 first inning | NO.1发球员 first server

first inning：第一发球权;第一轮

55.第一发球:first serve | 56.第一发球权;第一轮:first inning | 57.失去第一发球权:one down [out]; one hand out

Ladies first：女士先请(男子请女子先进屋、先上车等时说的话)

* Who came first in the race? ie... | * Ladies first, ie said by a man, allowing a woman to enter a room, car, etc before he does. 女士先请(男子请女子先进屋、先上车等时说的话). | (b) before another even...

(LSD) Least Significant Digit First：最低位优先

基数排序 Radix sorting | 最低位优先(LSD) Least Significant Digit First | 最高位优先(MSD) Most Significant Digit First

left first section of derrick：井架左 一段

气路硬管 pipe for air road | 井架左 一段 left first section of derrick | 井架右 一段 right first section of derrick

Anopheles candidiensis：日月潭疟蚊

\\"疟蚊属\\",\\"Anopheles\\" | \\"日月潭疟蚊\\",\\"Anopheles candidiensis\\" | \\"中华疟蚊\\",\\"Anopheles hyrcanus var. sinensis\\"

Gnome Milnes:GNOME：下的扫雷

2. Games:游戏软件 | 1) Gnome Milnes:GNOME下的扫雷; | 2) Gnibbles:贪吃蛇游戏;