strengthening

1.

การเสริมสร้างความแข็งแกร่ง

make or become stronger.

:
•
he advises an application of fluoride to strengthen the teeth
:
build upnourishreinforcebuttressbraceunderpinunderproptoughentemperannealintensifypick upheightenfortifybolsterboosthardenstiffensteelcementincreaseadd tofuelrenewvitalizeheartenstep upescalatescale upupbeef upsupportback upconfirmbear outsubstantiatecorroborateauthenticateconsolidate
:
weakenease offsaprelaxdecreaseundermine
1.

การเสริมสร้างความแข็งแกร่ง

:
strengthen