Place the tennis balls on the ground and then lie on them in the supine position (lying down face-up), keeping the knees bent.

把网球放在地上然后以仰卧位面朝上躺下、屈膝位躺在网球上。

youdao

You can easily find readability by a poster on the corkboard, a clock face and letters on the tennis balls.

你可以轻松的利用公告板、时钟和有字母的网球海报来确定画面的可读性。

youdao

You can easily find readability by a poster on the corkboard, a clock face and letters on the tennis balls.

你可以轻松的利用公告板、时钟和有字母的网球海报来确定画面的可读性。

youdao