He has one solid point. People who are going round giving grammar advice-particularly on the passive voice-had better well know what the passive voice is.

他的观点有个正解之处：对于四处指点别人语法(特别是指出被动语态)问题的人，最好要搞清楚什么是被动语态。

youdao

If my solid is actually just going to be round then I might want to use polar coordinates.

如果实体是圆形状的话，那就可以考虑用极坐标系。

youdao

This coffee table has a round top in honeycombed aluminium and black and white epoxy resin with solid pau ferro inserts.

这款圆形咖啡桌桌面由蜂窝状铝板构成，黑白相间的环氧树脂镶嵌着坚固的檀木。

youdao

Breeders for PepsiCo developed the potatoes, in Rhinelander, Wisconsin, to be the best for chipping thin-skinned, round, and solid, with good color and flavor.

NEWYORKER: Snacks for a Fat Planet

He was flirting with the cut line with nine holes to play Friday until a 32 on the back nine, and then a solid round today.

NPR: Leonard In 3-Way Tie For The Lead At Innisbrook

Luevano tried to press home the advantage when the count was completed, firing a straight left from his southpaw stance but Cook recovered before finishing the round with some solid body shots.

BBC: Luevano knocks out Cook for title