Side shoots should be cut back to one leaf above the basal cluster.

应将旁枝剪至主串上一叶高处

...the basal layer of the skin.

皮肤的基底层

Regular exercise can increase your basal metabolic rate.

定期运动能够提高你的基础代谢率。

Basal metabolism is much lower for creatures in cold water.

冷水中生物的基础代谢速度要低很多。