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- A passage or an opening leading to a hold, compartment, or cellar. 地窖口，天窗通向地牢、水密舱或阁楼的通道或开口
- Since open leads will have a lower capacitance than connected leads, the tester can tell which leads are soldered correctly and which leads are open. 由于开路的导线比连接线的电容要低，所以测试仪器可以检测出哪条导线连接正常，哪条导线是开路。
- Declarer's partner's cards, once they are spread on the table after the opening lead. 2、一经首引庄家搭档的牌摆放在桌面后，该手牌称为明手。
- He becomes declarer when the opening lead is faced (but see Law 54A when the opening lead is made out of turn). 当（正常）首引牌张牌面向上置于台面确定后，此牌手即成为庄家。
- Club Queen for opening lead . 首攻梅花q。
- LT3466 is a full function dual step-up DC/DC converter specifically designed to drive up to 20 white LEDs,possessing the functions of soft-start,open LED protection,undervoltage lockout and so on. LT3466是凌特公司生产的一款全功能双输出升压型DC/DC转换器,可驱动多达20个白光LED,并具有软启动、LED开路保护及欠压闭锁等功能。
- Club queen for opening lead. 首攻梅花Q。
- Pea pods burst open when overripe. 豌豆过熟就会爆裂。
- Open tender for purchasing power transformer. 公开招标购买电力运输设备。
- We bivouacked on the open plain. 我们在开阔的原野上露营。
- As there is only one discard available from diamonds regardless, the contract will fail (barring West's opening lead having been a singleton) if you cannot get to lead the third round of clubs. 因为方片只可以垫掉一张输张（除非西家首攻是单张），如果妳打不出第三张梅花。定约就会被击垮。
- Thank you. How long will this offer be open? 谢谢。这个报价的有效期多长？
- Open the shutter and see what the weather is like. 打开百叶窗，看看外面的天气如何。
- The fresh air blew in from the open window. 新鲜空气从开着的窗户吹进来。
- The shop is open from this day onwards. 该店从今天起开始营业。
- Please open a window to allow the air to circulate. 打开窗子让空气流通。
- This drawer is too tight for me to open it. 这抽屉太紧了，我打不开。
- You may open a current account at a bank. 你可以在银行开立一个活期帐户。
- I asked the man opposite if he would open the door. 我问对面的人他愿意不愿意开门。
- She contributed to the fund with an open heart. 她向基金会捐款，慷慨解囊。
