He gives the shop assistant a twopound coin and only gets change for a quid.
他给了售货员2英镑的硬币, 但是只得到了一英镑的找头。

Resonance for a semilinear second order ODE with twopoints boundary value.
半线性二阶常微分方程两点边值共振问题

Impedance between the phase terminals in the twoport network equivalent to a given network component.
等值于已知网络元件的二端口网络中相端子间的阻抗。

To top off this delectable dish, serve a TwoPotato Salad With MustardChive Dressing.
搭配这款美食, 需要浇了芥末撒了小香葱的红薯沙拉。

Once, a fellow went into a restaurant and ordered a twopound lobster.
一次, 一个小伙子在一家饭店点了一只两英磅的龙虾。