Sheldon: Fine. We're travelling forward at, good Lord, 51 miles an hour. Now let’s assume that your brakes are new and the callipers are aligned, still, by the time we come to a stop, we'll be occupying the same space as that Buick in front of us, an impossibility that nature will quickly resolve into death, mutilation and… oh look, they built a new put-put course.

Good Lord:
【释】An expression of surprise or astonishment.
老天啊（用于表达吃惊或者惊讶）

Let's assume that
【释】”assume” in this idiom means: Take to be the case or to be true;accept without verification or proof.
我们先认定
【例】Let's assume that god created me.
我们先认定神创造了我
【例】Let's assume that my husband is a corrupted politician.
我们先认定我的丈夫是个腐败的官员

Callipers
【释】 A caliper is a device used to measure the distance between two opposing sides of an object. A caliper can be as simple as a compass with inward or outward-facing points. The tips of the caliper are adjusted to fit across the points to be measured, the caliper is then removed and the distanceread by measuring between the tips with a measuring tool, such as a ruler.
It is used in many fields such as metalworking, mechanical engineering,gunsmithing, handloading, woodworking, woodturning and in medicine.
卡钳

Buick
【释】 Buick is a marque of automobile sold in the United States, Canada, China, Taiwan, and Israel by General Motors Corporation. Since the demise of Oldsmobile in 2004, it is GM's only North America-based entry-level luxury brand.别克轿车

Resolve into
【释】To change or convert
改变或者反转
【例】The discussion eventually resolved into two main issues.
讨论最终变成了两个主要问题
【例】Any misunderstanding can resolve into a quarrel.
任何的误会都可能变为一场争吵

Mutilation
【释】An injury that causes disfigurement or that deprives you of a limbor other important body part
应伤致身体伤残

Put-put course
【释】A place for play mini-golf.
迷你高尔夫球场

生活大爆炸S01E04 MJE美剧笔记：煎蛋实验

 

作者@美剧口语联盟（云荒之火精注 ufb审校）