后来，在我左下的甲状旁腺上发现了一个20毫米的腺瘤。

It was then discovered I did, in fact, have a 20mm adenoma on my lower left parathyroid gland.

youdao

1980年5月10日，左下的警官站在自由女神像基座护栏上企图说服图上的攀爬者爬下神像。

Police officer on parapet at base of the Statue of Liberty, bottom left, attempts to talk down climbers on Liberty Island in New York Harbor on May 10, 1980.

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一次检查显示，他的肺部左下叶有一小块肿瘤，但尚未扩散。

A checkup revealed a small tumour on the left lower lobe of his lung, but it had not yet metastasized.

《柯林斯英汉双解大词典》

And in contrast, in the lower left hand part of the periodic table, these 2 quantities are low, so also what we're going to see is low electronegativity.

相反地，在周期表的左下部分，这两个量的值都很小，因此我们会看到这里的电负性也很低。

麻省理工公开课 - 化学原理课程节选

Donors are over here, the metals on the left end of the Periodic Table.

在这里，在元素周期表的左下部分的金属。

麻省理工公开课 - 固态化学导论课程节选

this is on page 847 about halfway down the left-hand column: segment of language can never in the final analysis be based on anything except its noncoincidence with the rest.

翻到847页的左下角：,对于语言片段的理解,只能基于它和其他语言的不相似处。

耶鲁公开课 - 文学理论导论课程节选