Class B and C hikes are easier, so you don't need to be so fit.

B类和C类跋涉旅行比较轻松，所以你不需要这么强壮。

Class B management also means no more tracing of close contacts or designating high-risk and low-risk areas.

乙类乙管还意味着不再追溯密切接触者，不再划定高风险区和低风险区。

And only representatives of classes B and O, get above 18,000.

只有 B 和 O 类型的恒星才达到 18,000 华氏度。

China will downgrade management of the disease from Class A to Class B starting January 8th.

自 1 月 8 日起，中国将新冠肺炎疫情管理从甲类降为乙类。

Authorities say China has officially begun to manage COVID-19 with measures designed to combat Class B infectious diseases.

当局表示，中国对新冠病毒感染正式实施“乙类乙管”。

" But Harry, it's an Erumpent horn! It's a Class B Tradeable Material and it's an extraordinary dangerous thing to have in a house! "

“但是哈利，这是毒角兽的角！它是个B类商品，而且放在家里是十分危险的！”

Under management of second-level Class B diseases, authorities will drop quarantine measures and stop identifying close contacts or designating high-risk and low-risk areas.

根据乙类乙管疾病管理，取消隔离措施，不再判定密切接触者，不再划定高低风险区。

Officials also say Class B management of COVID-19 emphasizes more scientific and efficient prevention and better coordination between pandemic control and economic and social development.

官员们还表示，实施乙类乙管是强调更科学、更高效的防控疫情，更好统筹协调疫情防控与经济社会发展。

Yes, I carry following dangerous goods: chemicals 130tonnes. IMO class B.

对，我船装有下列危险货物：130吨化学品，系国际危规B等级。20. Do you have any deficiencies？ 你船是否有缺陷呢？Do you have any restrictions？ 你船是否受限呢？

We have cannabis, which is a class B drug, and we also have catha edulis, commonly known as 'khat' which is class C. We do have to be really, really strict with with the cannabis and the catha edulis as well.

我们有大麻， 它是 B 类药物， 我们也有 catha edulis，俗称“阿拉伯茶” ，属于 C 类药物。 我们确实必须非常非常严格地对待大麻和 catha edulis。