Researchers used electroencephalography, or an EEG, to measure the brain waves of nearly 80 babies from the time they were 6 months old until they reached age 2.

研究者利用脑成像技术(EEG)对80个婴儿进行脑波的检测，从他们6个月大开始，一直持续到两岁。

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Time: 2 hours per week - This work usually comes in waves.

时间：每周2小时。这个工作通常一波接一波地来。

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The Titanic took 2 hours and 40 minutes to sink beneath the waves.

泰坦尼克号完全沉入水下花了2个小时40分钟；

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Waves 2 and 4 are the two minor corrections in the five-wave move higher.

FORBES: Google Facing Big-Time Elliott Wave Wipeout

The number of eligible women was already small before ocean waves killed 2, 000 residents.

WSJ: A Year After Tsunami's Wrath, Searching for Hope and Resilience

The lifeguards were honoured for saving body boarder Tom Durrant who was struggling to cope in large, 6-8ft (1.8-2.4m) waves.

BBC: Lifeguards get award for Porthtowan body boarder rescue