Sulcus
[医] 沟
🗣️ 情景例句
Would you please hand me your customs declaration form?
请出示您的申报表给我？
A policeman pricks up his ears.
一个警察竖起耳朵在认真地听着。
Mary and lizzy are organizing a large medical conference.
玛丽和莉齐正在组织一个大型的医学会议。