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water sac是什么意思？

water sac

水囊

相关词汇
water sac

water

n. 水，雨水，海水，海域；v. 给…浇水，供以水，加水稀释，流泪；

sac

n. （动植物组织中的）囊，液囊；abbr. 缩写 = (US) Strategic Air Command 战略空军司令部。；
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
Rainfall has been above normal this July.
今年7月份降雨量高于正常。
At the first brush,the enemy was repulsed.
敌人在第一次交火时就被击退了。
He goes to relaxation class.
他上放松训练课。
The postmaster was shot dead by the robbers.
那位邮政局长被强盗开枪打死了。
an urban renewal programme in the city centre
市中心的重建项目
The restoration to the castle took a year and cost a lot of money.
城堡的修复花费了一年的时间和大量金钱。
The wood is treated with preservative to prevent decay.
这块木头用防腐剂处理过以防止腐烂。
Local historians have reconstructed from contemporary descriptions how the hall may have looked in 1300.
根据同时期的描述，当地历史学家再现了1300 年时这座礼堂的可能面貌。
Good humor is a promoter of friendship.
良好的幽默感能促进友谊。
Memory can be profoundly shaped by subsequent experience.
记忆会受到后来经历的深刻影响。
He wore his hair in the prevailing fashion.
他的头发梳的是当时盛行的发型。
The bright plumage of a parrot made it beloved by people.
鹦鹉的一身华丽羽毛使人们很爱它。
The birds cannot afford to relax their vigilance against predators.
鸟儿不敢放松对捕食者的警戒。
I was relieved to see that he seemed almost himself again.
看到他又恢复理智,我总算放心了。