Cis-threo
[化] 順蘇式
?? 詞語組成解析
[計] 中央信息系統(tǒng), 字符指令系統(tǒng), 計算機信息服務, 用戶信息系統(tǒng)
??? 情景例句
Is it supposed to rain today?
今天要下雨嗎？
It's windy this afternoon.
今天下午起風。
It must have been about two in the morning when I returned home.
我回到家時，肯定已是凌晨兩點左右了。