1.His talk branched off from the subject.

1.话偏离了正题。

2.The tree near the house branched over the roof.

2.房屋边那棵树树枝伸展到屋顶上。

3.Stem succulent, simple or divaricately branched from middle, lower nodes swollen, naked.

3.茎肉质，单或枝，下部节膨胀，裸露。

4.Stem conspicuously striate or tetragonous, robust, succulent, simple or branched in upper part.

4.茎显著具条纹或4棱，粗壮，肉质，单一或枝在上半部。

5.They branched off from the main road and turned down a country lane.

5.离开干道, 转入乡小路。

6.Caudex branched, erect, to 2 cm in diam.Caudex leaves scalelike, triangular to subtriangular.

6.块根枝，直立，在2厘米直径块根离开鳞片状，到近三角形三角形。

7.Herbs annual or biennial.Root stout, tuberlike, and napiform or fusiform, or branched and not tuberlike.

7.一年生或二年生草本根粗壮，管状，和芜菁状孔或纺锤形，或枝而不管状。

8.Stems caespitose, simple or many branched, 60-150 cm tall, ca. 1 cm in diam., antrorsely setulose, armed with spreading stinging hairs, dense in lower parts, sparser in upper parts.

8.丛生茎，单或多枝，60-150厘米高，直径约1厘米，向上地具小刚毛，具平展蛰毛刺，紧密在下部，稀在上半部。