line akin
类似的线
以上为机器翻译结果，长、整句建议使用 人工翻译 。
And since ultrasound travels in a tight line akin to laser light, the emergent tones are audible only in a narrow, cylindrical path from source to ear.
FORBES: Now Hear This
Five different boarding groups will line up in different areas, akin to how Southwest lines up customers by groups, so that instead of a crush of people pushing toward the gate, each group will have a designated place to wait.
WSJ: Summer Air-Travel Survival Guide
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