The engineer toots his horn.

工程师吹奏喇叭。

Mr Toots was dressed in mourning.

图茨先生是穿着丧服的。

Then he waves, toots his horn and pulls on up ahead.

然后他挥挥手，按了下喇叭，往前开去。

'Thank 'ee,' chuckles Mr Toots, 'I'm very much obliged to you.

“谢谢，”图茨先生吃吃地笑道，“我非常感谢你们。”

The induced toots were cultured in solid media and liquid media.

将诱导的发状根进行固体平板培养和液体悬浮培养。