不要象很多急切热爱种植者一样,急匆匆地种植象西红柿、辣椒、马铃薯或者牵牛花等等那些一年生植物,因为一场晚霜随时可以要了它们的命,而晚霜在你住的地方是非常普通的,过了纪念日(一般是5月30日)再种吧。
Rush to plant heat-lovers like tomatoes, peppers, eggplants, or annuals like petunias if you live where late frosts are common. Wait until after Memorial Day.
一般来说,普通美国投资者没有太好地把握黄金市场时机。
Ordinary U.S. investors, on average, aren't timing this market too well.
一般地证明了安培环路定理。证明方法简明易懂、直观且不失普遍性,适合在普通物理和电磁学中使用。
A concise and district method to demonstrate the Ampere circuit rule is proposed, which is proper to be adopted in general physics course.
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