The Starbucks Blonde Roast has a massive 475 mg of caffeine in it.

星巴克金色烘焙含高达475毫克咖啡因。

And for every liter of it, there is 0.8mg of fluoride in it.

每升水中含有 0.8 毫克氟化物。

A regular sandwich can have over 1,500 mg of sodium.

普通三明治钠含量超过了1500毫克。

Meanwhile, that burger and fries you were eyeing have about 3,400 mg.

同时，你刚看到汉堡和炸薯条含有 3400 毫克盐分。

Keep in mind that the WHO " strongly" recommends getting no more than 2,000mg of sodium per day, which equates to less than one teaspoon of salt.

请记住，世卫组织“强烈”建议每天摄入钠不超过 2 克，换算成盐也就不到 1 样子。

This increased availability of calcium increases the power output of the muscles, but it does require a pretty large dose to occur, around 500 mg for an average person.

这增加了钙可用性，增加了肌肉能量输出，但它确实需要一个相当大剂量，大500毫克。

The immune reaction also causes the glucose concentration in the CSF to fall, to below two thirds of the concentration in the blood, and makes the protein levels increase to over 50 mg per decilitre.

免疫反应也会造成脑脊液中葡萄糖下降至血糖三分之二以下，并且使蛋白质高到每分升50毫克以上。

Even 400 mg is more flavonoids than chocolate normally has, and you'd need to eat at least two large bars of regular dark chocolate every day to get that much.

一般巧克力黄酮含量甚至不足400毫克，你每天至少要吃两大块黑巧克力才能达到这么多。

Spread out over a day 400mg of caffeine appears to be safe, but having more than 200mg in a single sitting can lead to caffeine intoxication.

在一天内扩散到400毫克咖啡因似乎是安全。但一个人若是再超过200毫克将会导致咖啡因中毒。

Put into perspective, an average cup of coffee contains roughly 150mg of caffeine, meaning if you are 70kg, approximately 70 cups of coffee would kill you.

仔细算算，平均一杯咖啡含有大150毫克咖啡因，就是说如果你体重70公斤，你要喝大70杯咖啡才会致命。

A coffee contains around 100-200mg of caffeine; a matcha contains around 70mg, as well as l-theanine, an amino acid, which together improve concentration and alertness.

一杯咖啡含有大100至200毫克咖啡因，一杯抹含有大70毫克咖啡因，以及一种叫做氨酸氨基酸，这些物质能共同高注意力和警觉性。

After several rounds were fired from a 155 mm Howitzer, he drank 250 mg of wine that were poured down the barrel, a unit tradition.

在155毫米榴弹炮发射了几发子弹后，他喝了250毫克葡萄酒，这是部队传统。

The only catch is that you'll need to ingest 400mg of caffeine, which is equal to about 3-4 cups of coffee.

唯一要点是你得需要摄入400mg咖啡因，这大是3-4杯咖啡量。

Way more than the 10mg needed to fight off scurvy.

以上办法来抵抗坏血病。

The recommended dose of ibuprofen is 200-400 mg by mouth every 4-6 hours as needed for pain or fever.

布洛芬推荐剂量为每4 - 6小时口服200 - 400mg，以缓解疼痛或发烧。

Don't write that down! Sorry. Now, if " ma" equals " mg, " what does that imply?

别光顾着记这个啊，抱歉, 好，如果ma = mg，我们可以推算出什么？

And so you could say that is mg.

这等于多少呢。

Caffeine also has a halflife of around 6 hours, so if you drank a standard coffee with around 150mg of caffeine, after about 6 hours there will only be 75mg left in your system and you'll be feeling half of the effect.

咖啡因也有大6个小时半衰期，所以如果你喝了一杯标准规格，含大150毫克咖啡因咖啡，在6小时后就仅有75毫克留在身体内，而咖啡因影响也会减半。

To compare, a serving of brewed coffee contains 95 to 165 mg of caffeine brewed black tea contains 25 to 38 mg, and a bottle of Coke contains 34 mg of caffeine.

相比之下，一份煮好咖啡含有95到165毫克咖啡因。一份煮好红含有25到38毫克，而一罐可口可乐含有34毫克。

The LD50 of sodium cyanide, a common form, is 6.4 mg per kg of bodyweight, or over 6 million times less deadly than botulinum.

常见氰化物如氰化钠，其 LD50 为 6.4mg/kg，数据上看，毒性比肉毒杆菌素少六百万倍。