1.mathematical constant 數(shù)學(xué)常量

例句：Write a program that displays the value of the mathematical constant

編寫(xiě)一個(gè)程序用來(lái)顯示數(shù)學(xué)常量的值

2.date format 日期格式

例句：When this is not specified, the database server uses the date format specified in the DBDATE environment variable.

如果不指定這個(gè)值，則數(shù)據(jù)庫(kù)服務(wù)器使用在 DBDATE 環(huán)境變量中指定的日期格式bS;=bd(yME5SaW。

3.hold record 保持記錄

例句：South Africa's Amateurs hold the record for wins, with three tournament triumphs to their name.

南非業(yè)余隊(duì)3奪冠軍，保持此項(xiàng)賽事的奪冠紀(jì)錄g_&t4hvqaypko4uxEs。

4.suffer from 遭受

例句：How long have you been suffering from a headache?

你頭痛有多久了?