1.到本学期末,他们将学完30门课程$ Y& [' H" X0 K" P+ e
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when the end of the school term, they will be completion of 30 courses.7 \3 I* Z; x- U9 `' E
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2.在20世纪四十年代,IBM设计出了第一代电子计算机
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) t g0 g R( Qin the 1949s, IBM designed the first generation of computer, Q4 } ?7 m' k# K7 H7 N. \
1 i& S+ A F$ @, j0 y3.我们之前做过那个实验
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9 o3 Y" w b; F) L) x8 c6 ]: Pin this experiment, we have done the same.
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4.早在十九世纪二十年代,人们就认识到这一现象非常有用
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& d. O6 r, Z# T, qas early as the 1820s, it was recognized that this phenomenon is very helpful.
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5.如今,计算机在各个领域广泛应用; F0 D$ ]+ j4 s: A' j) d
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nowadays, computer is widely applied in various fields
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2 r5 c9 z; V# I6.Experience more than sufficiently teaches that men govern nothing with more difficulty than their tongues. ' r3 j: z# d5 m, \
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身体力行强于嘴上功夫6 H a( S/ ]) J. o9 R3 {1 M
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