1.
The first signal did not include the color yellow for caution, but that was later added within a few years.
第一次信号中不包括用于“注意”的黄色,黄色是以后几年内后加的。
2.
His father served in signal corps during the FirstWorld War.
![点击朗读](/dictall/images/read.gif)
他父亲在第一次世界大战中在一个信号团工作。
3.
picked up our first broadcasts of the 1920's,
![点击朗读](/dictall/images/read.gif)
接收到了我们二十世纪二十年代的第一次广播信号,
4.
He picked a winning number on the first draw.
![点击朗读](/dictall/images/read.gif)
他第一次便抽到一个中奖号码。
5.
A lighthouse beacon that occults every45seconds.
![点击朗读](/dictall/images/read.gif)
每隔45秒灯塔信号灭一次
6.
A Suboptimal Signal Detection Algorithm with Very Low Complexity in VBLAST Systems
![点击朗读](/dictall/images/read.gif)
一种次优的低复杂度VBLAST信号检测算法
7.
Jean was really lucky that she picked a winning number on the first draw.
![点击朗读](/dictall/images/read.gif)
简真是幸运之极,她第一次便抽到一个中奖号码。
8.
Once, he went aloft, and the rope broke, and they caught him shrieking;
![点击朗读](/dictall/images/read.gif)
第一次,把他吊了上去,绳子断了,他尖号着被抓
9.
First known in the ninth century, the horn was used by herdsmen to call cattle,
![点击朗读](/dictall/images/read.gif)
第一次出现是在九世纪。号角是牧人用来放牛的,
10.
That was the code name to my first field exercise in Qatar.
![点击朗读](/dictall/images/read.gif)
那可是我在卡塔尔第一次野外训练时的代号
11.
Wang Nan was the No.1 seed in the table-tennis championship.
![点击朗读](/dictall/images/read.gif)
王楠是这次乒乓球锦标赛中的第一号种子选手。
12.
Your letter arrived by the first delivery.
![点击朗读](/dictall/images/read.gif)
你的信在第一次投递时送达。
13.
The first message is expected to arrive at 7 o' clock this evening.
![点击朗读](/dictall/images/read.gif)
第一次信息预计在今晚7点到达。
14.
A first-class letter should arrive the following day.
![点击朗读](/dictall/images/read.gif)
按第一类邮件投递的信应於次日到达。
15.
Discovery landed after safely crossing the continent in the first coast-to-coast reentry since the Columbia disaster.
自哥伦比亚号失事以来,这是发现号第一次安全重返大气层。
16.
This is the first of three appearances by the Romulans in Voyager episodes.
![点击朗读](/dictall/images/read.gif)
这是《航海家号》剧集里罗姆兰人出现三次中的第一次。
17.
Output signals are recorded by a digital printer every hour.
![点击朗读](/dictall/images/read.gif)
每小时由一个数字打印机记录一次输出信号。
18.
I'd like to get this letter off by the first post.
![点击朗读](/dictall/images/read.gif)
我想将这封信在邮局第一次收信时寄出去。