1.到本学期末,他们将学完30门课程0 M6 [1 Q7 D0 r9 m. M3 N
At the end of this term , they will finish 30 lessons.( b1 a1 k& x5 e. F- Q& F
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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2 e/ v2 J6 U6 f. |, q' l
The IBM designed the first computer in the 20 century 40s.
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3.我们之前做过那个实验
9 O, n4 `6 \% m& TWe did this experiment before.
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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# E" m7 \, v7 R
People had realized this phenomenon is useful in early 20s of 19 century.
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5.如今,计算机在各个领域广泛应用
: Q" p3 y" n5 JNowadays,computer is widely used in various fields.
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3 [: W# b) K9 b$ o6.Experience more than sufficiently teaches that men govern nothing with more difficulty than their tongues. 2 s" [. o0 s/ a9 z8 W& s
经验给我们太多的教训,告诉我们人类最难管制的东西,莫过于自己的舌头。6 F; U5 L1 G. K0 z: e- @2 S
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