他告诉我，在过去的两年里，我需要再修8门中级或更高级别的课程才行。
He told me that I needed 8 more courses at the intermediate level or higher in the last 2 years to be OK.
我想得派一个电工来修一下才行。
珀尔修斯拥有更坚固的钢铁外壳和备用的抗震性触发系统，能击穿数米厚的钢筋混凝土，并在进入掩体之后才引爆。
With a stronger steel casing and backup shock-resistant triggering mechanisms, the Perseus can smash through several metres of reinforced concrete and detonate only after it has gone into a bunker.
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