They were shown animated videos centering around numbers — for instance, one video showed eight frogs on lily pads; four jumped away at once, then two came back one at a time.

有些实验是一些和数字有关的动画，比如，某个视频里，有八只青蛙停在荷叶上，其中四只一下子跳的不见踪影，但两只马上又跳了回来。

youdao

Their tears were collected one milliliter at a time and deposited onto small pads that were attached beneath men's noses, so they could continuously sniff the sadness.

每当眼泪聚满1毫升后研究人员便将其滴入小垫并放置在男性鼻子下端，这样他们可以持续地嗅到“悲伤的味道”。

youdao

Following a one-hour morning rain delay, the visitors had been reduced to 80-5 in their second innings, still needing a further 145 runs to make England's openers strap on their pads one more time.

BBC: England seal emphatic Lord's win