In the middle of the floor, a wrought-iron spiral staircase ld to the upper levels.
在地板的中间,有一个螺旋形的锻铁楼梯通往二楼。
单词 | LD 50 |
释义 |
LD 50
原声例句
哈利波特与死亡圣器 In the middle of the floor, a wrought-iron spiral staircase ld to the upper levels. 在地板的中间,有一个螺旋形的锻铁楼梯通往二楼。 Supernatural S01 Dude. Dude, l am not using this lD. 嘿 哥们 我才不用这个身份。 老爸老妈的浪漫史视频版(第五季) The Playbook-- it's ld.You got to admit it's pretty spectacular. 是游龙戏凤秘籍 这么酷 你得承认 它无与伦比吧。 跟Hadar学美式发音 Notice that the L and the D our positioned at the same place, " ld" , right behind the teeth on that little bridge when the flesh starts to, when you feel the flesh, " Ld" . 注意在发“L”音和“D”音时,舌头的位置没有变化,都在牙齿后面。
中文百科
致死量 Lethal dose(重定向自LD 50)
致死量(英语:lethal dose、简写为 LD)是指特定物质或是辐射可造成死亡的量。对于不同的动物,或是其他条件差异(如年龄、健康状态等)而言,同一物质所能致死的量并不一定。 这些数值多数是来自动物实验,鲜少有纪录是来自人类。
英语百科
Lethal dose 致死量(重定向自LD 50)
In toxicology, the lethal dose (LD) is an indication of the lethality of a given substance or type of radiation. Because resistance varies from one individual to another, the "lethal dose" represents a dose (usually recorded as dose per kilogram of subject body weight) at which a given percentage of subjects will die. The lethal concentration is a lethal dose measurement used for gases or particulates. The LD may be based on the standard person concept, a theoretical individual that has perfectly "normal" characteristics, and thus not apply to all sub-populations. |
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