Boston's sign is the spasmodic lowering of the upper eyelid on downward rotation of the eye, indicating exophthalmic goiter.Cline D; Hofstetter HW; Griffin JR.
权威例句
1.
Bathed in the flashing lights from Kenmore Square's iconic rooftop Citgo sign, Boston University juniors Brendan Hathaway and Sam Howes high-fived strangers as they walked down the street.