Listen, Richard,doing aerobics for an hour is a lot different than lifting weights.
听着, Richard,一小时的有氧运动可与举重大不相同。
You see, I put some soil in the box, sow the seed carefully like this, and then cover it with more soil.
你瞧,我在盒子里放些泥土,像这样小心地把种子播下,然后再用多一点儿的土盖住种子。