strains

[strein]

[ strains ]

n.拉紧, 紧张, 血统, 笔调
v.拉紧, 劳累, 过分使用

例句与用法：

He was breaking up under the strain.

他劳累过度，身体逐渐衰弱。

The rope broke under the strain.

绳索在张力之下断了。

You will strain your eyes by reading in such poor light.

你在这样弱的光线下看书会损伤视力的。

This strain of wheat can grow during a cold spring.

这种小麦可以在寒冷的春天生长。

The author seems to strain after novelty.

作者似乎在力图标新立异。

Too heavy a load will strain the rope to its breaking point.

负载过重会把绳子拉紧到崩断的地步。

词形变化：

动词过去式: strained | 动词过去分词: strained | 动词现在分词: straining | 动词第三人称单数: strains |