Current estimates put Africa's annual cancer incidence at 1.27 million by 2030.

目前估计，到2030年，非洲每年的癌症患者将达到127万。

Current estimates suggest there are 600 trillion synapses in a human brain.

根据目前的估计，人类大脑中有600万亿个突触。

And if it's above one, then it continues to spread, the current estimate for COVID-19 is an R0 of 2.2.

若R0>1，则会继续扩大传播；当前，SARS-CoV-2的R0估计值为2.2。

He said that current estimates show sea levels rising by 4 meters by 2100 and more if emissions continue to grow.

他说，目前的估计显示，如果排放量继续增加，到2100年海平面将上升4米甚至更多。

Current estimates are still imprecise, but people think that about 20 percent of virus carriers are asymptomatic.

目前的估计仍然不准确，但人们认为大约 20% 的病毒携带者是无症状的。

And current estimates predict that by 2040, up to 20 more countries could be experiencing water shortages.

目前的估计预测， 到 2040 年，将有多达 20 个国家面临缺水问题。

Officials said this means the actual number of stillborn and newborn deaths is probably even higher than the WHO's own current estimates.

官员表示，这意味着死产和新生儿死亡数量可能远远超过世卫组织统计的数字。

By current estimates, dark matter makes up almost 85 percent of all the matter in the universe.

根据目前的估计，暗物质 几乎占宇宙中所有物质的 85%。

According to current estimates, the train would in fact cost three times as much or more, and take 13 years longer to build.

根据目前的估计，这项工程实际支出费用将是预想的三倍或更多，并需耗时长达13年之久。

Current estimates suggest that if climate change keeps heading in the same direction, the world is set to have a 2.7 Celsius rise in temperature.

目前的估计表明，如果气候变化继续朝着同一方向发展，全球气温将上升2。7摄氏度。

(Laughter) Indeed, current estimates suggest that even with drastic emissions reductions, the world will need to be removing between five and 16 billion tons of carbon dioxide from the atmosphere every single year by 2050.

（笑声） 事实上，目前的估计表明，即使大幅减少排放，到 2050 年世界每年也需要从大气中去除 5 到 160 亿吨二氧化碳。

If anything, these results suggest that current estimates of exposure to microplastics are likely underrepresentative, Coffin said, quoting the study he believes to be the most rigorous assessment to date, conducted by researchers at the Wageningen University and Research.

如果有的话， 这些结果表明目前对接触微塑料的估计可能不够具有代表性，并引用了他认为是迄今为止最严格的评估的研究，该研究由瓦赫宁根大学和研究所的研究人员进行。