英语语法分析

Calvin and Martin have observed how rising employment costs led to the adoption of labour-saving farm technology in the past, citing the raisin industry as an example.

加尔文和马丁以葡萄干行业为例，观察了过去不断上升的就业成本是如何促使人们采用节省劳动力的农业技术的。

As a child, I had a hermit crab named Calvin Coolidge.

小时候，我养过一只寄居蟹，名叫卡尔文·柯立芝。

"We're not ready!" said Henry Calvin Gull.

“我们还没准备好呢！”海鸥亨利·卡尔文说。