过去式 built;过去分词 built; build v.建筑;建造;创建;开发;逐渐增强; n.体形;体格;身材; 第三人称单数 builds; 现在分词 building We\'re going to b...
只有以重读闭音节结尾,才需要双写+ing . 闭音节一般是以辅音结尾的.而y是半元音. 所以不须要双写最后一个辅音字母再加ing. Part of my pay cheque went towa...
while和but都有转折的意思,但是表示转折的意思时,while同时含有表对比的意思;While作并列连词用,意思为“而,然而”,表对比。而but表转折。 We got there ...
butter是不可数名词。 buttern.黄油;奶油;v.涂黄油于;例如She buttered four thick slices of bread. Heat the butter until it browns. 把黄油加热,使...
busily adv. 忙碌地,起劲地; 例句 If he is writing busily, hes probably making his grocery list. 如果他正忙着写东西,他可能在列购物清单。 The rob...