build up例句

We can build up the speed gradually and safely.
我们可以逐渐稳妥地提高速度。

Deposits of plaque build up between the tooth and the gum.
牙齿和牙龈之间会滋生牙斑。

Exercise in pregnancy can build up your strength and suppleness.
孕期锻炼身体可以增强体力和柔韧性。