fingernail test
常见例句
- Even those parents who seemed hard and demanding would just melt at the thought of their child in tears over a failed test or a broken fingernail.
即使看上去强硬而又苛求的家长，一想到他们的子女因考试不及格或弄破了手指而掉眼泪的时候，也会立即融化。 - The deeper the needle penetrated, the more flexible the nail. (The squeamish may wish to note that this test can be done using a fingernail clipping.) In a test of 30 people, Dr Towler found that the nails of those with osteoporosis were significantly softer than those of people without it.
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