The moths also look the same at first glance, and Miller says this drawer holds nothing but a single species of spruce budworm, an infamous pest of eastern forests in North America.

第一眼瞥去，这些蛾也长得完全一样，Miller说这个抽屉内仅有一种云杉蚜虫——北美洲东面树林内一类不知名的害虫。

youdao

Here and there, a single line of prints peels off to a spruce tree.

BBC: In Sweden, a long journey home

Her massive spruce timbers weigh 2, 000 pounds, but this is an elephant on ball bearings: A single person can push her across the ice.

FORBES: Magazine Article