这座桥的设计能够承受强风带来的巨大拉力。

The bridge's design can withstand the strong ___strains caused by heavy winds.

这种新型水稻品种产量更高。

This new ___strain of rice yields more crops.

照顾生病的父母给他的心理带来了很大压力。

Taking care of his sick parents put a lot of ___strain on his mental health.

他努力举起沉重的箱子。

He ___strained to lift the heavy box.