Sigmoids
(sigmoid 的复数) a. S字形的, 乙状结肠的, C字形的\\nn. 乙状结肠
🗣️ 情景例句
We have two and a half hours.
还有两个半小时。
He is unworthy to live who lives only for himself.
为己而生，生而可耻。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。